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Machrio

Plain Bearings

Precision bearings for rotating machinery, conveyors, pumps, motors, and mechanical equipment. Our bearing selection includes deep groove ball bearings, angular contact bearings, spherical roller bearings, tapered roller bearings, needle bearings, and thrust bearings.

666 products

Steel Deep Groove Ball Bearing 3.54in Bore 5.51in OD for Industrial Machinery
Industrial|SKU: HC7923
Steel Deep Groove Ball Bearing 3.54in Bore 5.51in OD for Industrial Machinery

This steel deep groove ball bearing is engineered for high-load industrial machinery applications, featuring a 3.54-inch bore diameter and a 5.51-inch outside diameter. With a compact width of 0.94 inches, the unit delivers optimal radial load capacity while maintaining a minimal footprint for tight assembly configurations. Constructed from durable hardened steel, it ensures extended service life under continuous operational stress. The double-shielded design effectively retains lubrication and excludes contaminants, reducing maintenance requirements and enhancing reliability in demanding manufacturing environments.

$119.99In Stock
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Steel Deep Groove Ball Bearing 3.54in Bore 6.30in OD 1.18in Length
Industrial|SKU: FP4699
Steel Deep Groove Ball Bearing 3.54in Bore 6.30in OD 1.18in Length

This steel deep groove ball bearing is engineered for high-speed industrial applications requiring reliable radial load support. Featuring a 3.54-inch bore diameter and a 6.30-inch outside diameter, the unit measures 1.18 inches in width to fit standard housing configurations. The C3 internal clearance specification accommodates thermal expansion and shaft misalignment, ensuring consistent performance under elevated operating temperatures. Constructed from durable hardened steel, this component delivers extended service life and reduced maintenance intervals in demanding machinery environments where precision and structural integrity are paramount.

$119.99In Stock
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Steel Deep Groove Ball Bearing 3.54in Bore 6.30in OD 1.18in Length, Pkg Qty 2
Industrial|SKU: AY2541
Steel Deep Groove Ball Bearing 3.54in Bore 6.30in OD 1.18in Length, Pkg Qty 2

This steel deep groove ball bearing is engineered for high-load industrial applications, featuring a 3.54-inch bore diameter and a 6.30-inch outside diameter to ensure precise shaft alignment. With a compact width of 1.18 inches, the unit offers robust radial load capacity while maintaining a low-profile design suitable for space-constrained assemblies. Constructed from durable steel, it provides exceptional resistance to wear and deformation under continuous operation. Sold in packages of two, these bearings deliver reliable performance and extended service life for heavy-duty machinery without requiring frequent maintenance intervals.

$49.99In Stock
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Steel Deep Groove Ball Bearing 3.54in Bore 6.30in OD 1.18in L, Pkg Qty 6
Industrial|SKU: FN0931
Steel Deep Groove Ball Bearing 3.54in Bore 6.30in OD 1.18in L, Pkg Qty 6

This steel deep groove ball bearing is engineered for high-load industrial applications, featuring a 3.54-inch bore diameter and a 6.30-inch outside diameter to ensure precise shaft alignment. With a compact width of 1.18 inches, the unit delivers optimal radial load capacity while maintaining a low-friction profile for extended operational life. Constructed from durable hardened steel, it withstands demanding rotational speeds and harsh environmental conditions without compromising structural integrity. Sold in packages of six, these bearings provide a reliable, cost-effective solution for heavy machinery maintenance and assembly requirements.

$109.99In Stock
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Steel Deep Groove Ball Bearing 3.54in Bore 6.30in OD, Pkg Qty 2
Industrial|SKU: CX9592
Steel Deep Groove Ball Bearing 3.54in Bore 6.30in OD, Pkg Qty 2

This steel deep groove ball bearing is engineered for high-load industrial applications, featuring a 3.54-inch bore diameter and a 6.30-inch outside diameter to ensure precise shaft alignment. With a compact width of 1.18 inches, the unit delivers optimal radial load capacity while maintaining low friction operations across varying speeds. Constructed from durable hardened steel, it offers exceptional resistance to wear and deformation in demanding environments. Sold in packages of two, these bearings provide reliable performance and extended service life for heavy machinery and motor assemblies requiring robust rotational support.

$49.99In Stock
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Steel Deep Groove Ball Bearing 3.54in Bore 6.30in OD, Pkg Qty 8
Industrial|SKU: AY2540
Steel Deep Groove Ball Bearing 3.54in Bore 6.30in OD, Pkg Qty 8

This steel deep groove ball bearing is engineered for high-load industrial applications, featuring a 3.54-inch bore and a 6.30-inch outside diameter to ensure precise shaft alignment. With a robust width of 1.18 inches, the unit delivers superior radial load capacity and operational stability in demanding environments. Constructed from high-grade steel, it offers exceptional durability and resistance to wear under continuous rotation. Sold in packages of eight, these bearings provide a reliable, cost-effective solution for maintaining heavy machinery efficiency while minimizing unplanned downtime through consistent performance standards.

$179.99In Stock
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Steel Deep Groove Ball Bearing 3.54in Bore 7.48in OD 1.69in Length
Industrial|SKU: AA8891
Steel Deep Groove Ball Bearing 3.54in Bore 7.48in OD 1.69in Length

This steel deep groove ball bearing is engineered for high-load industrial applications, featuring a 3.54-inch bore, 7.48-inch outside diameter, and 1.69-inch width. The C3 internal clearance specification accommodates thermal expansion and high-speed operation, while the dual metal shields (2Z) provide effective contamination protection without compromising rotational efficiency. Constructed from premium-grade steel, this unit delivers exceptional durability and reduced maintenance requirements in demanding environments. Its precise dimensions ensure seamless integration into heavy machinery, offering reliable performance for continuous operational cycles.

$189.99In Stock
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Steel Deep Groove Ball Bearing 3.54in Bore 7.48in OD 1.69in L, Pkg Qty 5
Industrial|SKU: QK1663
Steel Deep Groove Ball Bearing 3.54in Bore 7.48in OD 1.69in L, Pkg Qty 5

Engineered for heavy-duty industrial applications, this steel deep groove ball bearing delivers reliable radial and axial load support. Featuring a 3.54-inch bore diameter, 7.48-inch outside diameter, and 1.69-inch width, it ensures precise fitment within standard machinery housings. Constructed from high-grade steel, the unit offers exceptional durability and resistance to wear under continuous operation. Sold in packages of five, these bearings provide a cost-effective solution for maintaining equipment uptime while meeting rigorous performance specifications required in demanding manufacturing environments.

$179.99In Stock
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Steel Deep Groove Ball Bearing 3.74in Bore 6.69in OD 1.26in Length
Industrial|SKU: AC7262794
Steel Deep Groove Ball Bearing 3.74in Bore 6.69in OD 1.26in Length

This steel deep groove ball bearing is engineered for high-speed industrial applications, featuring a 3.74-inch bore diameter and a 6.69-inch outside diameter with a 1.26-inch width. Constructed from durable steel, it incorporates dual metal shields to effectively retain lubrication while excluding contaminants, ensuring extended service life in demanding environments. The C3 internal clearance specification accommodates thermal expansion and slight misalignment, maintaining optimal performance under elevated operating temperatures. Its robust design supports significant radial loads, making it ideal for heavy-duty machinery requiring reliable rotational precision and minimal maintenance intervals.

$119.99In Stock
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Steel Deep Groove Ball Bearing 3.74in Bore 6.69in OD for Industrial Machinery
Industrial|SKU: AA9124
Steel Deep Groove Ball Bearing 3.74in Bore 6.69in OD for Industrial Machinery

This steel deep groove ball bearing is engineered for high-load industrial machinery, featuring a 3.74-inch bore diameter and a 6.69-inch outside diameter to ensure precise shaft alignment. With a compact width of 1.26 inches, the unit integrates dual rubber seals to effectively retain lubrication while excluding contaminants in harsh operating environments. Constructed from hardened steel, it delivers exceptional durability and reduced friction under continuous rotational stress. This component provides reliable performance for heavy-duty applications requiring strict dimensional stability and long service life without frequent maintenance intervals.

$199.99In Stock
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Steel Deep Groove Ball Bearing 3.937 in Bore 7.087 in OD for Industrial Use
Industrial|SKU: JR3486
Steel Deep Groove Ball Bearing 3.937 in Bore 7.087 in OD for Industrial Use

This steel deep groove ball bearing is engineered for demanding industrial applications, featuring a 3.937-inch bore diameter and a 7.087-inch outside diameter to ensure precise shaft alignment. With a compact width of 1.339 inches, the unit delivers high radial load capacity while maintaining low friction during continuous operation. Constructed from durable hardened steel, it offers exceptional resistance to wear and deformation under heavy stress. The integrated metal shielding provides effective contamination protection, extending service life in harsh environments without requiring frequent maintenance or relubrication.

$119.99In Stock
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Steel Deep Groove Ball Bearing 3.94in Bore 5.91in OD 0.94in Width, Pkg Qty 5
Industrial|SKU: FQ9997
Steel Deep Groove Ball Bearing 3.94in Bore 5.91in OD 0.94in Width, Pkg Qty 5

This steel deep groove ball bearing is engineered for high-load industrial applications, featuring a 3.94-inch bore diameter and a 5.91-inch outside diameter. With a compact width of 0.94 inches, it offers optimal space efficiency while maintaining structural integrity under significant radial and axial forces. Constructed from durable steel, the unit ensures reliable performance in demanding environments requiring precise rotational support. Sold in packages of five, these bearings provide a cost-effective solution for machinery maintenance and assembly lines requiring consistent dimensional accuracy and long service life.

$99.99In Stock
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Steel Deep Groove Ball Bearing 3.94in Bore 7.09in OD 1.34in L, Pkg Qty 2
Industrial|SKU: RK2370
Steel Deep Groove Ball Bearing 3.94in Bore 7.09in OD 1.34in L, Pkg Qty 2

This steel deep groove ball bearing is engineered for high-load industrial applications, featuring a 3.94-inch bore diameter and a 7.09-inch outside diameter to ensure precise shaft alignment. With a robust width of 1.34 inches, the unit delivers superior radial load capacity and operational stability in demanding environments. Constructed from durable hardened steel, it offers exceptional resistance to wear and deformation under continuous stress. Designed for seamless integration into heavy machinery, this component provides reliable rotational performance and extended service life without requiring frequent maintenance or replacement.

$59.99In Stock
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Steel Deep Groove Ball Bearing 3.94in Bore 7.09in OD 1.34in L, Pkg Qty 6
Industrial|SKU: FR0004
Steel Deep Groove Ball Bearing 3.94in Bore 7.09in OD 1.34in L, Pkg Qty 6

This steel deep groove ball bearing is engineered for high-load industrial applications, featuring a 3.94-inch bore diameter and a 7.09-inch outside diameter to ensure precise shaft alignment. With a robust width of 1.34 inches, the unit delivers exceptional radial stability and rotational efficiency under demanding conditions. Constructed from durable hardened steel, it offers superior resistance to wear and deformation, extending service life in heavy machinery. The double-shielded design effectively retains lubrication while excluding contaminants, minimizing maintenance requirements and ensuring reliable performance in continuous operational environments.

$189.99In Stock
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Steel Deep Groove Ball Bearing 4.13 in Bore 7.48 in OD 1.42 in Length
Industrial|SKU: JR3489
Steel Deep Groove Ball Bearing 4.13 in Bore 7.48 in OD 1.42 in Length

This high-precision steel deep groove ball bearing is engineered for demanding industrial applications requiring reliable radial load support. Featuring a robust 4.13-inch bore and a 7.48-inch outside diameter, the unit measures 1.42 inches in width to fit standard heavy-duty housing configurations. Constructed from premium-grade steel, it ensures exceptional durability and resistance to wear under continuous operation. The optimized internal geometry minimizes friction and heat generation, extending service life while maintaining consistent performance in high-speed rotating machinery without requiring frequent maintenance intervals.

$159.99In Stock
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Steel Deep Groove Ball Bearing 4.72in Bore 7.09in OD 1.10in Length, Pkg Qty 2
Industrial|SKU: NP9795
Steel Deep Groove Ball Bearing 4.72in Bore 7.09in OD 1.10in Length, Pkg Qty 2

This steel deep groove ball bearing is engineered for high-load industrial applications, featuring a 4.72-inch bore diameter and a 7.09-inch outside diameter to ensure precise shaft alignment. With a robust width of 1.10 inches, the unit delivers exceptional radial load capacity and rotational stability in demanding environments. Constructed from durable hardened steel, it offers superior resistance to wear and deformation under continuous operation. Designed for seamless integration into heavy machinery, this component provides reliable performance and extended service life while maintaining strict dimensional tolerances for critical assembly requirements.

$59.99In Stock
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Steel Deep Groove Ball Bearing 4.72in Bore 7.09in OD 1.10in L, Pkg Qty 2
Industrial|SKU: NP9797
Steel Deep Groove Ball Bearing 4.72in Bore 7.09in OD 1.10in L, Pkg Qty 2

This steel deep groove ball bearing delivers reliable rotational support for heavy-duty industrial applications. Featuring a 4.72-inch bore diameter and a 7.09-inch outside diameter, the unit measures 1.10 inches in length to fit standard housing configurations. Constructed from high-grade steel, it ensures exceptional durability and resistance to wear under significant radial loads. The double-shielded design effectively retains lubrication while excluding contaminants, extending service life in demanding environments. Sold in packages of two, these bearings provide consistent performance for machinery requiring precise alignment and long-term operational stability.

$69.99In Stock
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Steel Deep Groove Ball Bearing 5.12 in Bore 11.02 in OD for Industrial Machinery
Industrial|SKU: GA8823
Steel Deep Groove Ball Bearing 5.12 in Bore 11.02 in OD for Industrial Machinery

This heavy-duty steel deep groove ball bearing is engineered for high-load industrial machinery applications, offering exceptional durability and rotational precision. Featuring a 5.12-inch bore diameter and an 11.02-inch outside diameter, the unit accommodates substantial shaft sizes while maintaining a compact 2.28-inch width profile. Constructed from premium-grade steel, it ensures reliable performance under rigorous operating conditions with minimal maintenance requirements. The optimized internal geometry supports high-speed rotation and effectively manages both radial and axial loads, making it an ideal component for demanding manufacturing and processing equipment.

$189.99In Stock
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Steel Deep Groove Ball Bearing 5.51in Bore 8.27in OD, Pkg Qty 2
Industrial|SKU: NP9154
Steel Deep Groove Ball Bearing 5.51in Bore 8.27in OD, Pkg Qty 2

This steel deep groove ball bearing is engineered for high-load industrial applications, featuring a 5.51-inch bore diameter and an 8.27-inch outside diameter to ensure precise shaft alignment. With a compact width of 0.87 inches, the unit delivers optimal radial load capacity while maintaining a low-profile design for space-constrained assemblies. Constructed from durable hardened steel, it offers exceptional resistance to wear and deformation under continuous operation. Sold in packages of two, these bearings provide reliable rotational performance and extended service life for heavy-duty machinery without requiring frequent maintenance intervals.

$99.99In Stock
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Steel Deep Groove Ball Bearing 6.30 in Bore 11.42 in OD for Industrial Use
Industrial|SKU: CX9600
Steel Deep Groove Ball Bearing 6.30 in Bore 11.42 in OD for Industrial Use

This industrial-grade steel deep groove ball bearing is engineered for high-load rotational applications, featuring a 6.30-inch bore and an 11.42-inch outside diameter. With a compact width of 1.89 inches, the unit delivers optimal radial load capacity while maintaining a low-profile design for space-constrained machinery. Constructed from durable hardened steel, it ensures exceptional resistance to wear and deformation under continuous operation. The precision-engineered raceways minimize friction, supporting reliable performance in demanding environments without requiring frequent maintenance or replacement.

$119.99In Stock
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Steel Deep Groove Ball Bearing 6.30in Bore 9.45in OD 1.50in L, Pkg Qty 2
Industrial|SKU: CX9583
Steel Deep Groove Ball Bearing 6.30in Bore 9.45in OD 1.50in L, Pkg Qty 2

This steel deep groove ball bearing is engineered for high-load industrial applications, featuring a 6.30-inch bore diameter and a 9.45-inch outside diameter to ensure precise shaft alignment. With a robust width of 1.50 inches, the unit delivers exceptional radial and axial load capacity while maintaining low friction during continuous operation. Constructed from durable hardened steel, it offers superior resistance to wear and deformation in demanding environments. Sold in packages of two, this component provides reliable performance for heavy machinery requiring strict dimensional accuracy and long service life.

$119.99In Stock
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Steel Flanged Deep Groove Ball Bearing 0.394in Bore 0.748in OD, Pkg Qty 25
Industrial|SKU: AE2089009
Steel Flanged Deep Groove Ball Bearing 0.394in Bore 0.748in OD, Pkg Qty 25

This steel flanged deep groove ball bearing is engineered for precise radial load support in compact industrial assemblies. Featuring a 0.394-inch bore and a 0.748-inch outside diameter, the unit offers a low-profile 0.197-inch width to optimize space-constrained designs. The integrated flange simplifies axial positioning and eliminates the need for complex housing shoulders, reducing installation time. Constructed from durable steel with double metal shields, this component ensures reliable operation in moderate-speed applications while protecting internal races from particulate contamination. Sold in packages of 25 units for efficient inventory management.

$79.99In Stock
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Steel High Speed Angular Contact Ball Bearing 2.36in Bore 4.33in OD for Industrial
Industrial|SKU: RK4001
Steel High Speed Angular Contact Ball Bearing 2.36in Bore 4.33in OD for Industrial

This high-speed angular contact ball bearing pair is engineered for precision industrial applications requiring rigorous rotational stability. Constructed from durable steel, the unit features a 2.36-inch bore diameter and a 4.33-inch outside diameter with a total width of 1.73 inches. Designed to handle significant axial and radial loads simultaneously, these bearings deliver exceptional rigidity and minimal friction at elevated operating temperatures. The matched set ensures optimal preload distribution, making it ideal for machine tool spindles and high-RPM machinery where tight tolerances and extended service life are critical operational requirements.

$169.99In Stock
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Steel Miniature Ball Bearing 0.16in Bore 0.28in OD for Industrial Use, Pkg Qty 50
Industrial|SKU: JR6620
Steel Miniature Ball Bearing 0.16in Bore 0.28in OD for Industrial Use, Pkg Qty 50

Engineered for precision industrial applications, this steel miniature ball bearing features a 0.16-inch bore and a 0.28-inch outside diameter with a compact 0.10-inch width. Constructed from durable high-grade steel, the unit incorporates double metal shields to effectively retain lubrication and exclude contaminants in demanding environments. Designed for high-speed rotational stability, these bearings offer reliable performance within tight spatial constraints typical of automated machinery and instrumentation. Supplied in bulk industrial packaging, this solution ensures consistent quality and operational longevity for critical mechanical assemblies requiring exact dimensional tolerances.

$109.99In Stock
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