d - 20 mm
D - 37 mm
B - 9 mm
d1 - 25.6 mm
d2 - 25.6 mm
D1 - 31.4 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.2 mm
a - 8.4 mm
da - min. - 22 mm
db - min. - 22 mm
Da - max. - 35 mm
Db - max. - 35.6 mm
ra - max. - 0.3 mm
rb - max. - 0.2 mm
dn - 26.8 mm
Basic dynamic load rating - C - 6 kN
Basic static load rating - C0 - 3.2 kN
Fatigue load limit - Pu - 0.137 kN
Limiting speed for grease lubrication - 43000 r/min
Limiting speed for oil lubrication - 63000 mm/min
Ball - Dw - 4.762 mm
Ball - z - 15
Gref - 0.45 cm3
Calculation factor - f0 - 9.8
Preload class A - GA - 25 N
Preload class B - GB - 50 N
Preload class C - GC - 100 N
Preload class D - GD - 200 N
Calculation factor - f - 1.05
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.04
Calculation factor - f2C - 1.09
Calculation factor - f2D - 1.15
Calculation factor - fHC - 1
Preload class A - 22 N/micron
Preload class B - 29 N/micron
Preload class C - 40 N/micron
Preload class D - 56 N/micron
Mass bearing - 0.035 kg
Hot number:TIMKEN L476548/L476510 TIMKEN EE168400/168500 OKB 111502 OKB 466311 ISO 71908 C NTN K22×27×40ZW SKF LBCD 12 A-2LS ISO NKIA 5909 NACHI RB4918 NTN UC309D1 KOYO Y1412 SKF NJ-2312E INA NKX-45-Z SKF (Old No.) RNAO-50x65x20 NOK 1AP-45
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