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Gears & Gear Drives

Gears and gear drives are critical power transmission components used across industrial machinery and equipment. This category includes oil seals, shaft seals, and related components designed for reliable operation in motors, gearboxes, pumps, and other rotating equipment....

39 products
Stainless Steel Shim Roll, 0.5in Width, 0.005in Thickness, 23.6ft Length
Unbranded|SKU: 100278710886
Stainless Steel Shim Roll, 0.5in Width, 0.005in Thickness, 23.6ft Length

Constructed from premium stainless steel with high tensile strength and flexibility. Supplied in continuous roll form (7.2 m) for convenient cutting and application. Maintains dimensional precision and flatness under repeated stress. Ideal for precision adjustment, mold correction, and machinery alignment. Excellent corrosion resistance, suitable for humid or chemical environments. Thickness accuracy controlled within ±0.004 mm for reliable assembly performance.

$26.68 /eachIn Stock
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Stainless Steel Shim, High Strength, Corrosion Resistant, Spacer Sheet
Unbranded|SKU: 100278710884
Stainless Steel Shim, High Strength, Corrosion Resistant, Spacer Sheet

Made of high-quality stainless steel with superior tensile strength and corrosion resistance. Excellent flatness, elasticity, and durability for consistent precision. Ideal for gap adjustment, positioning, and leveling in machinery, electronic devices, and molds. Resistant to deformation, oxidation, and fatigue under long-term use. Available in multiple thickness options with fine tolerance control. Suitable for cutting, punching, and CNC machining without cracking.

$5.43 /eachIn Stock
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TC Skeleton Oil Seal, Nitrile Rubber Construction, Oil and Wear Resistant, Pkg Qty 50
Unbranded|SKU: 10076960595891
TC Skeleton Oil Seal, Nitrile Rubber Construction, Oil and Wear Resistant, Pkg Qty 50

This nitrile rubber skeleton oil seal is designed to deliver excellent wear and oil resistance, making it ideal for high-performance sealing in industrial machinery and automotive systems. Available in a convenient pack of 50, it provides a cost-effective solution for bulk usage in maintenance, repairs, and production lines. The seal's nitrile rubber construction ensures durability and long-lasting performance, even in harsh operating conditions where oil and wear resistance are critical. This o

$69.99 /eachIn Stock
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304 Stainless Steel Flat Washer, Precision Fastening Support, Corrosion Resistant
Unbranded|SKU: 10040851912819
304 Stainless Steel Flat Washer, Precision Fastening Support, Corrosion Resistant

Manufactured from 304 stainless steel for enhanced corrosion and oxidation resistance. Provides uniform load distribution to protect bolt and nut surfaces. Ideal for machinery, construction, and maintenance applications. Smooth surface finish for stable fastening and long service life. Compatible with standard metric and imperial bolt sizes.

$1.82 /eachIn Stock
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Stainless Steel Shim Roll, 0.5in Width, 0.008in Thickness, 16.4ft Length
Unbranded|SKU: 100209594957
Stainless Steel Shim Roll, 0.5in Width, 0.008in Thickness, 16.4ft Length

Constructed from high-quality stainless steel for excellent corrosion resistance and mechanical strength. Precision thickness (0.2 mm / 0.008 in) for fine tolerance adjustments. Flexible roll design (5 m / 16.4 ft) for easy cutting and custom sizing. Suitable for machinery alignment, tool calibration, and assembly correction. Maintains flatness and stability under high load or thermal variation.

$10.40 /eachIn Stock
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FKM Skeleton Oil Seal, Fluororubber, High Temperature Resistant, Chemical Resistant, Shaft Seal
Unbranded|SKU: 10077100000697
FKM Skeleton Oil Seal, Fluororubber, High Temperature Resistant, Chemical Resistant, Shaft Seal

Constructed from premium fluororubber (FKM) material with exceptional temperature, oil, and chemical resistance. Reinforced metal skeleton structure ensures dimensional stability and reliable sealing performance. Suitable for high-temperature environments up to 572°F (300°C) and pressures below 32 MPa. Resistant to abrasion, oxidation, and fuel or hydraulic fluids. Designed for rotating shafts to prevent oil leakage and contamination. Widely used in motors, compressors, pumps, and mechanical dri

$2.91 /eachIn Stock
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Carbon Steel Reinforced Flat Washer, Heavy Duty Forged Plate Type, Anti Loosening, Zinc Plated
Unbranded|SKU: 10093677918704
Carbon Steel Reinforced Flat Washer, Heavy Duty Forged Plate Type, Anti Loosening, Zinc Plated

Constructed from 40# carbon steel for superior strength and durability. Forged and stamped for precision thickness and dimensional accuracy. Electro-galvanized coating provides corrosion resistance and a clean surface finish. Available in multiple thicknesses (1mm to 10mm) and inner diameters (30–140mm). Designed to distribute load, reduce surface wear, and prevent bolt loosening. Suitable for heavy machinery, automotive, and industrial assembly applications. Manufactured with a tolerance of ±0.

$1.68 /eachIn Stock
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NBR TC Skeleton Oil Seal, Dual Lip, Shaft Seal, For Industrial Rotating Equipment
Unbranded|SKU: 10076967404260
NBR TC Skeleton Oil Seal, Dual Lip, Shaft Seal, For Industrial Rotating Equipment

Manufactured from high-quality NBR (Nitrile Rubber) with strong oil and wear resistance. Reinforced steel skeleton provides rigidity and precise dimensional stability. TC dual-lip design ensures reliable oil retention and dust exclusion. Suitable for rotary motion shafts in motors, pumps, gearboxes, and compressors. Available in multiple standard sizes, with customization for industrial specifications. Performs well under moderate temperature and pressure conditions.

$3.47 /eachIn Stock
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NBR Skeleton Oil Seal, Durable, Oil And Wear Resistant, Shaft Seal, For Industrial Equipment
Unbranded|SKU: 10076942528975
NBR Skeleton Oil Seal, Durable, Oil And Wear Resistant, Shaft Seal, For Industrial Equipment

Constructed from high-strength nitrile rubber (NBR) with excellent oil, wear, and temperature resistance. Reinforced metal skeleton frame for structural stability and extended service life. Operates effectively in a temperature range of -40°F to 250°F (-40°C to 120°C). Designed for rotating shafts to prevent lubricant leakage and contamination ingress. Offered in multiple dimensions with customization options available. Ideal for motors, pumps, gearboxes, compressors, and industrial machinery.

$1.46 /eachIn Stock
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304 Stainless Steel Flat Washer, 4.8 Grade
Unbranded|SKU: 10103641121541
304 Stainless Steel Flat Washer, 4.8 Grade

Constructed from 304 stainless steel for superior corrosion and rust resistance. Flat washer design evenly distributes load and prevents surface damage. 4.8-grade hardness, suitable for general mechanical fastening. Conforms to international standards for dimensional accuracy. Ideal for industrial machinery, equipment assembly, and maintenance.

$6.26 /eachIn Stock
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304 Stainless Steel Flat And Spring Washer Nut Assortment Kit
Unbranded|SKU: 100213418474
304 Stainless Steel Flat And Spring Washer Nut Assortment Kit

Includes a comprehensive assortment of flat washers, spring washers, and nuts. Made from 304 stainless steel, offering strong corrosion resistance and high durability. Designed for general machinery, maintenance, and assembly applications. Provides reliable fastening and anti-loosening performance under vibration or torque. Supplied in a convenient storage case for organized access.

$13.23 /eachIn Stock
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NBR Skeleton Oil Seal, Nitrile Rubber, Durable, Oil Resistant, Shaft Seal, For Industrial Machinery
Unbranded|SKU: 10076948099771
NBR Skeleton Oil Seal, Nitrile Rubber, Durable, Oil Resistant, Shaft Seal, For Industrial Machinery

Manufactured from high-quality nitrile rubber (NBR), providing excellent oil and wear resistance. Reinforced metal skeleton structure ensures dimensional stability and long service life. Operating temperature range: -40°F to 250°F (-40°C to 120°C). Designed to prevent lubricant leakage and dust ingress in rotating shafts. Available in multiple sizes and custom configurations. Ideal for motors, pumps, gearboxes, and mechanical drive systems.

$1.62 /eachIn Stock
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PU Hydraulic Seal, Polyurethane Oil Seal, For Industrial Applications, 0.04in Edge Thickness
Unbranded|SKU: 10129847636903
PU Hydraulic Seal, Polyurethane Oil Seal, For Industrial Applications, 0.04in Edge Thickness

Made of high-performance polyurethane (PU) with excellent wear, oil, and pressure resistance. Designed for hydraulic and pneumatic systems to prevent fluid leakage under dynamic motion. Working pressure up to 30MPa and temperature range of -30°C to +100°C. Dark green DHS model, suitable for heavy-duty sealing environments. Available in various sizes and supports customization for industrial use. Ideal for hydraulic cylinders, mechanical actuators, and precision machinery.

$4.67 /eachIn Stock
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PTFE Tri Clamp Gasket, Sanitary Quick Install Sealing Washer, For Stainless Steel Pipe Fittings, DN19 To DN200
Unbranded|SKU: 10025743430301
PTFE Tri Clamp Gasket, Sanitary Quick Install Sealing Washer, For Stainless Steel Pipe Fittings, DN19 To DN200

Made of high-purity PTFE (Teflon) for excellent chemical resistance and non-stick properties. Compatible with sanitary tri-clamp fittings in sizes DN19 to DN200. Withstands high temperature and corrosion, ideal for food, beverage, and pharmaceutical systems. Smooth surface finish for hygienic sealing and easy cleaning. Provides durable leak-proof sealing in high-pressure and high-temperature environments. Conforms to GB sanitary standards, suitable for stainless steel piping systems.

$1.96 /eachIn Stock
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FKM TC Skeleton Oil Seal, High Temperature Fluororubber, Shaft Seal, For Industrial Equipment
Unbranded|SKU: 10077119501387
FKM TC Skeleton Oil Seal, High Temperature Fluororubber, Shaft Seal, For Industrial Equipment

Constructed from premium FKM (fluororubber) material for excellent resistance to oil, water, and heat. Designed for operating temperatures up to 572°F (300°C) with stable performance. Steel skeleton reinforcement ensures structural rigidity and dimensional accuracy. TC dual-lip structure provides enhanced sealing for both oil retention and dust exclusion. Suitable for rotary shafts, motors, pumps, and gearboxes in high-temperature and high-speed applications. Resistant to oil, acids, abrasion, a

$9.24 /eachIn Stock
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High Strength Flat Washer, Grade 8.8, Black Oxide Carbon Steel
Unbranded|SKU: 3.2070468652E10
High Strength Flat Washer, Grade 8.8, Black Oxide Carbon Steel

Made from Grade 8.8 carbon steel for high strength and durability. Black oxide finish provides corrosion resistance and uniform surface protection. Designed to distribute load and prevent damage to fastening surfaces. Suitable for machinery, construction, and industrial assembly. Complies with national industrial standards for performance and reliability.

$1.72 /eachIn Stock
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FKM Oil Seal, Fluororubber, Skeleton Type, 1.38in Outer Diameter, Pack Of 10
Unbranded|SKU: 100197988372
FKM Oil Seal, Fluororubber, Skeleton Type, 1.38in Outer Diameter, Pack Of 10

Constructed with fluororubber (FKM) material for exceptional heat, oil, and chemical resistance. Skeleton-type design ensures structural rigidity and stable sealing performance. Designed for rotating shaft sealing to prevent lubricant leakage and dust ingress. Suitable for high-speed, high-temperature, and heavy-duty applications. Widely used in automotive, industrial machinery, and transmission systems.

$34.27 /eachIn Stock
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Carbon Steel Washer with M57 Inside Dia., 0.16 Inch Thickness, featuring Flat Washer Design and Silver Finish for Industrial Use in Harsh Environments, Pkg Qty 36
Unbranded|SKU: 10184962227722
Carbon Steel Washer with M57 Inside Dia., 0.16 Inch Thickness, featuring Flat Washer Design and Silver Finish for Industrial Use in Harsh Environments, Pkg Qty 36

Carbon Steel Washer providing durable sealing performance in a Pkg Qty 36 configuration for industrial applications in typical warehouse environments. This washer is engineered with carbon steel to support high strength, offering key features such as metal detectability and a flat washer design, ensuring reliable sealing performance and long-term durability in mechanical and heavy-duty applications. The Pkg Qty 36 configuration is specifically designed for bulk applications, providing enhanced c

$69.99 /eachIn Stock
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Silicone Rubber Gasket, VMQ Material, High Elasticity, Odorless, Temperature Resistant, Sealing Washer
Unbranded|SKU: 10074145958319
Silicone Rubber Gasket, VMQ Material, High Elasticity, Odorless, Temperature Resistant, Sealing Washer

Made from premium VMQ (Silicone Rubber) with excellent elasticity and sealing performance. Wide operating temperature range –40°C to +220°C for versatile applications. Non-toxic, odorless, and environmentally friendly composition. Excellent weathering, UV, and ozone resistance, suitable for long-term outdoor or high-heat environments. Maintains shape stability and resists deformation or cracking. Custom sizes available upon request; multiple diameter and thickness options.

$2.80 /eachIn Stock
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FKM Skeleton Oil Seal, Fluororubber, High Temperature Resistant, Oil Resistant, Shaft Seal, Minus 13F To 572F
Unbranded|SKU: 10077098348734
FKM Skeleton Oil Seal, Fluororubber, High Temperature Resistant, Oil Resistant, Shaft Seal, Minus 13F To 572F

Made from fluororubber (FKM), providing excellent resistance to oil, water, and extreme temperatures. Operating temperature range: -13°F to 572°F (-25°C to 300°C). Designed for rotating shaft sealing in harsh environments. Withstands working pressure up to <32 MPa (4641 psi). Available in customized dimensions and colors to suit various equipment. Ideal for automotive, mechanical, and industrial sealing components.

$3.36 /eachIn Stock
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304 Stainless Steel Flat Washer, Metric Plain Washer, For Bolt Reinforcement, M4 To M12, DIN Standard
Unbranded|SKU: 1.2572743351E10
304 Stainless Steel Flat Washer, Metric Plain Washer, For Bolt Reinforcement, M4 To M12, DIN Standard

Made of 304 stainless steel, offering excellent corrosion and rust resistance. Designed for load distribution and surface protection under bolt or nut assemblies. High hardness (Grade 4.8) ensures stability and prevents loosening under vibration. Smooth, polished surface for consistent torque performance and appearance. Available in multiple metric sizes (M4–M12) to fit standard fasteners. Complies with national and DIN standards, suitable for mechanical, construction, and industrial application

$1.74 /eachIn Stock
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304 Stainless Steel Flat And Spring Washer Nut Assortment Kit
Unbranded|SKU: 100167351123
304 Stainless Steel Flat And Spring Washer Nut Assortment Kit

Comprehensive assortment kit including flat washers, spring washers, and hex nuts. Manufactured from 304 stainless steel, offering excellent corrosion and oxidation resistance. Designed for mechanical assembly, maintenance, and repair operations. Ensures secure fastening and prevents loosening under vibration. Supplied in a durable compartment storage box for easy organization.

$13.23 /eachIn Stock
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Stainless Steel Shim, High Precision, Tight Tolerance, Metal Spacer, For Electronic And Mechanical Components
Unbranded|SKU: 100278710834
Stainless Steel Shim, High Precision, Tight Tolerance, Metal Spacer, For Electronic And Mechanical Components

Manufactured from high-quality stainless steel with excellent tensile strength and corrosion resistance. Precision thickness tolerance ensures stable performance in high-accuracy assemblies. Provides dimensional compensation and load distribution in mechanical structures. Ideal for use in electronics, molds, precision machinery, and stamping equipment. Smooth surface finish; resistant to deformation under repeated stress. Available in multiple thickness options with tolerance control as low as ±

$5.43 /eachIn Stock
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Hydraulic Rod Seal, High Pressure Polyurethane PU Seal, For Hydraulic Cylinders
Unbranded|SKU: 4.307827781E10
Hydraulic Rod Seal, High Pressure Polyurethane PU Seal, For Hydraulic Cylinders

Constructed from high-performance polyurethane (PU) for superior wear, oil, and extrusion resistance. Designed for hydraulic piston rod sealing under pressure up to 5,000 psi (35 MPa). Excellent elastic recovery and sealing stability under dynamic operation. Suitable for reciprocating motion up to 0.5 m/s. Performs reliably within a temperature range of -4°F to 212°F (-20°C to 100°C). Ensures low friction, minimal leakage, and extended service life.

$7.28 /eachIn Stock
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How to Choose the Right Gears & Gear Drives

When selecting gear and shaft seals, the primary considerations are shaft diameter, housing dimensions, and operating conditions. Material selection is crucial - NBR offers good oil resistance and temperature range up to 100°C, while FKM handles higher temperatures up to 200°C and provides superior chemical resistance. Verify shaft surface finish requirements (typically 0.2-0.8 μm Ra) and running speed limitations for optimal seal performance.

Seal design features impact performance and longevity. TC-type (double lip) seals provide better protection against contamination compared to single lip designs. Metal-reinforced skeletons offer improved rigidity and installation stability. Consider installation direction and whether spring-loaded designs are needed for your application. Housing bore tolerances and shaft runout specifications must meet manufacturer recommendations.

Application environment dictates material compatibility and design requirements. High-speed applications may require special lip designs or materials. Consider pressure differential across the seal, chemical exposure, and temperature cycling. Many seals conform to DIN 3760 or ISO 6194 standards for dimensional consistency. Proper installation tools and lubricants are essential for achieving maximum service life.

Frequently Asked Questions

How do I determine the correct seal size for my application?
Measure the shaft diameter, housing bore diameter, and seal width precisely. These dimensions are typically expressed as Shaft Diameter x Outer Diameter x Width (e.g., 25x40x7mm). Consider dynamic runout and shaft/bore tolerances per manufacturer specifications. Always verify both metric and inch dimensions to ensure proper fit.
What's the difference between NBR and FKM seals?
NBR (Nitrile) seals offer good oil resistance and temperature range up to 100°C at a lower cost. FKM (Viton) seals handle temperatures up to 200°C and provide superior resistance to chemicals and synthetic oils, but at a higher price point. FKM is preferred for high-temperature or aggressive chemical environments.
Which seal type is best for high-speed applications?
For high-speed applications, consider PTFE-lined or specialty elastomer seals with optimized lip designs. Maximum speed ratings vary by size and design, typically ranging from 1000-5000 RPM for standard seals. Verify surface speed limits and consider seal lip temperature rise in high-speed operations.
What is the typical lead time and minimum order quantity?
Standard sizes in NBR material typically ship within 1-2 business days with minimum order quantities of 5-10 pieces. Custom sizes or FKM materials may require 1-2 weeks lead time and higher MOQs. Volume pricing discounts generally start at 25+ pieces.
Are these seals interchangeable with OEM parts?
Many seals are manufactured to DIN 3760 or ISO 6194 standards, making them dimensionally interchangeable with OEM parts. However, verify material compatibility and operating conditions match your application. Cross-reference tools are available to match OEM part numbers with standard industrial seals.