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Miniature Ball bearings
Flange bearings
Thrust Ball bearings
Ceramic Ball Bearings
Stainless Steel Bearings
Special Bearings

Structure of bearing
Bearing Material
Accuracy
Lubrication
Vibration and noise
Internal clearance
Points of attention for using
Installation
Inspection and Test
 
¡¡FAQ

Miniature bearings are suitable for products requiring high-speed rotation, low-friction torque, low vibration and low noise.
According to the customer¡¯s requirements,we could produce any sizes of the inch miniature bearing. Some main types and sizes of the inch miniature bearing which we produce are as follows:
Type Bore Diameter Outer Diameter Width Load Rating Cr(N) Load Rating Cor(N) Max. Speed
OPEN ZZ Grease Oil
*1000rpm
R1-4ZZ 1.984 6.350 2.380 3.571 284 96 67 80
R133ZZ 2.380 4.762 1.588 2.380 144 53 80 95
R1-5ZZ 2.380 7.938 2.779 3.571 552 176 60 71
R144JZZS 3.175 6.350 2.380 2.779 311 110 67 80
R144ZZ 6.350 2.380 2.779 284 96 67 80
R2-5ZZ 7.938 2.779 3.571 558 180 60 67
R2-6ZZ 9.525 2.779 3.571 640 227 53 63
R2ZZ 9.525 3.967 3.967 631 219 56 67
R2AZZ 12.700 4.366 4.366 640 227 53 63
R155ZZ 3.967 7.938 2.779 3.175 359 150 53 63
R156ZZ 4.762 7.938 2.779 3.175 359 150 53 63
R166ZZ 9.525 3.175 3.175 709 272 50 60
R3ZZ 12.700 3.967 4.978 1301 488 43 53
R3AZZ 15.875 4.978 4.978 1480 621 38 45
R168ZZ 6.350 9.525 3.175 3.175 373 172 48 56
R188ZZ 12.700 3.175 4.762 1082 442 40 50
R4ZZ 15.875 4.978 4.978 1480 621 38 45
R4AZZ 19.050 5.558 7.142 2336 896 36 43
R1810ZZ 7.938 12.700 3.967 3.967 542 276 40 48
R6ZZ 9.525 22.225 5.558 7.142 3332 1422 32 38