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ABIS Miniature and Precision Ball Bearings

With bores of 0.6 to 90mm and precision grades to ABEC 7

Bearing Selector

Inch/Metric Bearing
Tolerance:
Desired Bore
Desired Outer Diameter
Material
Type
Closure

criteria for lubricating oil selection

Operating Temperature of Bearing (oC) DN ISO Viscosity Grade of Lubricating Oil (VG)
Medium Load Heavy Load/Sock Load
-30~0 Up to permissible rotating speed  15/22/32 32/46
0~+60 Up to 15000 32/46/68 100
15000~80000 32/46 68
80000~150000 22/32 32
150000~500000 10 22/32
+60~100
Up to 15000 150 220
15000~800000 100 150
80000~150000 68 100/150
150000~500000 32 68
+100~+150   Up to permissible rotating speed 320

Notes

1. If heavy loads occur at low speeds, a high viscosity lubricating oil should be used.
2. This table is for oil bath lubrication system and recirculating oil systems.
3. dn = bearing bore diameter d(mm) x rotating speed n (r.p.m)

 

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