KOYO 7221CPA angular contact ball bearings

KOYO 7221CPA angular contact ball bearings Needs Analysis , 20 Bore Diameter (mm) Manufacturing Service . Get Your 20x52x21 Size (mm) Free.
Size (mm) | 20x52x21 |
Bore Diameter (mm) | 20 |
Outer Diameter (mm) | 52 |
Width (mm) | 21 |
d | 20 mm |
Fw | 28.5 mm |
D | 52 mm |
B | 21 mm |
C | 21 mm |
r min. | 1.1 mm |
r1 min. | 0.6 mm |
Weight | 0.212 Kg |
Basic dynamic load rating (C) | 32.9 kN |
Basic static load rating (C0) | 30.2 kN |
(Grease) Lubrication Speed | 11000 r/min |
Bearing No. | NU2304 |
r(min) | 1.1 |
r1(min) | 0.6 |
Cr | 38.0 |
C0r | 30.2 |
Cu | 3.60 |
Grease lub. | 11000 |
Oil lub. | 16000 |
Ew | – |
d1 | – |
B1 | – |
B2 | – |
da(min) | – |
db(min) | 24 |
db(max) | 27 |
dc(min) | – |
dd(min) | – |
Da(max) | 45.5 |
Db(max) | – |
Db(min) | – |
ra(max) | 1 |
rb(max) | 0.6 |
(Refer.)Mass(kg) | 0.212 |
Detailed Parameters
parameter:
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