634 2RS 4x16x5 Metric Ball Bearings

Part Number 634 2RS

Deep groove ball bearing drawing
Spec 634 2RS
Item Miniature Ball Bearings
Type Shielded
Bore Dia. 4 mm
Outside Dia. 16 mm
Width4 5 mm
ABEC Tolerance 3
Dynamic Load Capacity (kN) 0.3kN
Static Load Capacity (kN) 0.68kN
Max. RPM 44,000RPM
Temp. Range (℃) -40~120℃
Material Steel
Shield Material (NBR+SPCC) Nitrile rubber + mild steel (NBR + SPCC)
Lubrication Grease

634 2RS Metric Ball Bearings are a durable set of bearings that can be used in a variety of settings. Dual seal construction ensures the bearing remains lubricated and protected from the elements, making it ideal for outdoor use. These high quality bearings are perfect for skateboards, longboards and roller skating.

Other types of ball bearings are also available: 696 2RS, 695 ZZ, 603 2RS. If you’re interested in our procucts, please feel free to contact us.

603 2RS Miniature Bearing 3x9x5

Part Number 603 2RS

Deep groove ball bearing drawing
Spec 603 2RS
Item Miniature Ball Bearings
Type Shielded
Bore Dia. 3 mm
Outside Dia. 9 mm
Width4 5 mm
ABEC Tolerance 3
Dynamic Load Capacity (kN) 0.15kN
Static Load Capacity (kN) 0.219kN
Max. RPM 59,000RPM
Temp. Range (℃) -40~120℃
Material Steel
Shield Material (NBR+SPCC)
Nitrile rubber + mild steel (NBR + SPCC)
Lubrication Grease

603 2RS miniature bearings consist of three parts: an inner ring, an outer ring and balls that separate the rings. It has a diameter of 3mm, a width of 9mm and a thickness of 5mm. Made of bearing steel, the 603 2RS is durable and resistant to rust, corrosion and deformation, with shields on both sides to prevent lubricant ingress and contamination.

It is suitable for various industrial equipment, agricultural machinery, conveying equipment, robots, dental equipment, elevator micro motors, small rotary motors, office equipment, etc.

Other types of ball bearings are also available: 693 ZZ, 694 2RS, 685 ZZ. If you’re interested in our procucts, please feel free to contact us.