51108 Thrust ball bearing

Part Number 51108

1

Technical Specifications

Dynamic Loa Capacity (Lb.) 26.9kN
Static Load Capacity (Lb.) 63kN
Max. RPM 3500 r/min(Grease)
Temp. Range (℃) /
Material chrome steel
Shield Material Nitrile rubber + mild steel (NBR + SPCC)
Lubrication Grease/oil
Spec 51108
Item Thrust ball bearing
Type /
Bore Dia. 40 mm
Outer Diameter 60 mm
Thickness 13 mm
ABEC Tolerance /
  • The 51108 thrust ball bearing is a one-way thrust ball bearing, which can only bear the axial load in one direction, and can limit the movement of the shaft and the housing in one direction.If you have any questions about bearings, you can contact us, we are glad to help you!

6905 2RS Radial Ball Bearing

Part Number 6905 2RS

Deep groove ball bearing drawing
Spec 6905 2RS
Item Miniature Ball Bearings
Type Shielded
Bore Dia. 25 mm
Outside Dia. 42mm
Width 9 mm
ABEC Tolerance 3
Dynamic Load Capacity (kN) 7.32kN
Static Load Capacity (kN) 4.56kN
Max. RPM 16,000RPM
Temp. Range (℃) -40~120℃
Material Steel
Shield Material Nitrile rubber + mild steel (NBR + SPCC)
Lubrication /

The 6905 2RS ball bearing is a high-quality bearing that can be used for a variety of applications. It features two contact rubber seals, one on each side of the ball bearing, and can accommodate a 25mm shaft.

Rolling bearings are used in a range of applications from agricultural machinery to conveyor equipment, robotics, dental equipment, elevators, rolling mills, ship rudder shafts and aggregate crushers.

Other types of ball bearings are also available: 6901 ZZ, 6900 2RS, 6808 2RS . If you’re interested in our procucts, please feel free to contact us.

6905 ZZ Thin Section Bearing

Part Number 6905 ZZ

Deep groove ball bearing drawing
Spec 6905 ZZ
Item Miniature Ball Bearings
Type Shielded
Bore Dia. 25 mm
Outside Dia. 42mm
Width 9 mm
ABEC Tolerance 3
Dynamic Load Capacity (kN) 7.32kN
Static Load Capacity (kN) 4.56kN
Max. RPM 16,000RPM
Temp. Range (℃) -40~120℃
Material Steel
Shield Material Nitrile rubber + mild steel (NBR + SPCC)
Lubrication Grease

6905 ZZ deep thin section ball bearings can accommodate moderate axial and radial loads. Its inner diameter is 25mm, outer diameter 42mm, width 9mm, the bearings are made of chrome steel, each bearing has 2 rubber seals to protect the bearings from dust or any possible contamination, these are self-lubricating bearings.

Yuanhe sells the highest quality radial ball bearings manufactured by high standard factories. Ideal for replacement and OEM applications.

Other types of ball bearings are also available: 6904 2RS, 6903 2RS, 603 2RS. If you’re interested in our procucts, please feel free to contact us.

6904 ZZ Shielded Ball Bearing 20x37x9

Part Number 6904 ZZ

Deep groove ball bearing drawing
Spec 6904 ZZ
Item Miniature Ball Bearings
Type Shielded
Bore Dia. 20 mm
Outside Dia. 37mm
Width 9 mm
ABEC Tolerance 3
Dynamic Load Capacity (kN) 6.38kN
Static Load Capacity (kN) 3.65kN
Max. RPM 18,000RPM
Temp. Range (℃) -40~120℃
Material Steel
Shield Material Nitrile rubber + mild steel (NBR + SPCC)
Lubrication Grease

6904 ZZ is a 20 mm single row radial ball bearing, metal shielded on both sides and pre-lubricated with grease. It is a 37 mm outside diameter shielded ball bearing made of chrome steel with a deep groove geometry ideal for high speeds and light radial and axial loads.

Common uses for it are: Electric Motors, Camera Mounts, Pulleys, Alternators, Generators, Fans, Medical Equipment, Wheels, 3D Printing, Conveyor Rollers, Printers, CNC Machinery, Remote Control Models, Robotics and many more.

Other types of ball bearings are also available: 6903 ZZ, 6809 2RS, 634 2RS. If you’re interested in our procucts, please feel free to contact us.

6904 2RS Double Seal Ball Bearing

Part Number 6904 2RS

Deep groove ball bearing drawing
Spec 6904 2RS
Item Miniature Ball Bearings
Type Shielded
Bore Dia. 20 mm
Outside Dia. 37mm
Width 9 mm
ABEC Tolerance 3
Dynamic Load Capacity (kN) 6.38kN
Static Load Capacity (kN) 3.65kN
Max. RPM 18,000RPM
Temp. Range (℃) -40~120℃
Material Steel
Shield Material Nitrile rubber + mild steel (NBR + SPCC)
Lubrication

6904 2RS Double Sealed Ball Bearing is a high quality, precision ball bearing ideally suited for applications requiring high speed and reliability. This ball bearing is made from high-quality materials and features two seals for extra protection from dust and debris.

ABEC3 6904 2RS raises the bar for military standard, high precision bearings. Some of the best bike components come standard with this bearing, featuring hardened chrome steel races, balls and a strong riveted steel retainer for a durable and flawless low-cost performance upgrade.

Other types of ball bearings are also available: 694 ZZ, 696 2RS, 686 2RS. If you’re interested in our procucts, please feel free to contact us.

6903 ZZ Budget Thin Section Bearing

Part Number 6903 ZZ

Deep groove ball bearing drawing
Spec 6903 ZZ
Item Miniature Ball Bearings
Type Shielded
Bore Dia. 17 mm
Outside Dia. 30mm
Width 7 mm
ABEC Tolerance 3
Dynamic Load Capacity (kN) 4.60kN
Static Load Capacity (kN) 2.55kN
Max. RPM 22,000RPM
Temp. Range (℃) -40~120℃
Material Steel
Shield Material Nitrile rubber + mild steel (NBR + SPCC)
Lubrication Grease

6903 ZZ thin section bearings are ideal for applications requiring high precision and speed. It has a durable construction that can withstand heavy loads and is ideal for industrial and commercial use. It also includes a sealed design that protects the bearings from dirt and debris, ensuring a long service life.

This single row deep groove ball bearings are widely used in many applications. They are simple in design, durable, and require little maintenance. The deep raceway grooves and the tight fit between the raceway grooves and the balls enable the bearings to withstand not only radial loads but also bidirectional axial loads.

Other types of ball bearings are also available: 6901 2RS, 6808 2RS, 685 ZZ. If you’re interested in our procucts, please feel free to contact us.

6903 2RS Rubber Sealed Bearing

Part Number 6903 2RS

Deep groove ball bearing drawing
Spec 6903 2RS
Item Miniature Ball Bearings
Type Shielded
Bore Dia. 17 mm
Outside Dia. 30mm
Width 7 mm
ABEC Tolerance 3
Dynamic Load Capacity (kN) 4.60kN
Static Load Capacity (kN) 2.55kN
Max. RPM 22,000RPM
Temp. Range (℃) -40~120℃
Material Steel
Shield Material Nitrile rubber + mild steel (NBR + SPCC)
Lubrication /

The 6903 2RS is typically constructed of chrome steel for durability and corrosion resistance. The bearing can accommodate radial and axial loads and is therefore suitable for medium to high load applications. It can run at relatively high speeds, usually up to around 18,000 revolutions per minute (RPM).

Proper lubrication is critical to bearing life and performance. It is recommended to lubricate the bearings with high quality grease or oil. 6903 2RS ball bearings are widely used in industrial and mechanical applications thanks to their versatility, durability and ability to handle axial and radial loads.

Other types of ball bearings are also available: 6903 ZZ, 6809 2RS, 6808 2RS. If you’re interested in our procucts, please feel free to contact us.

6901 ZZ 12X24X6 Ball Bearing

Part Number 6901 ZZ

Deep groove ball bearing drawing
Spec 6901 ZZ
Item Miniature Ball Bearings
Type Shielded
Bore Dia. 12 mm
Outside Dia. 24mm
Width 6 mm
ABEC Tolerance 3
Dynamic Load Capacity (kN) 2.25kN
Static Load Capacity (kN) 0.98kN
Max. RPM 30,000RPM
Temp. Range (℃) -40~120℃
Material Steel
Shield Material Nitrile rubber + mild steel (NBR + SPCC)
Lubrication Grease

The 6901 ZZ shielded ball bearings are durable and provide excellent performance in a range of applications from automotive to industrial. It’s made of high-quality materials and has dust covers on both sides for maximum protection. Ensuring greater efficiency and durability, this bearing is an excellent choice for your needs.

It is versatile and its small size makes it suitable for applications such as small motors, pumps and other equipment requiring a compact design. Metal shields on both sides help retain lubrication, keeping the bearings running smoothly for longer.

Other types of ball bearings are also available: 626 2RS, 6802 2RS, 6305 2RS. If you’re interested in our procucts, please feel free to contact us.