d - 20 mm
D - 42 mm
B - 12 mm
d1 - 27.1 mm
d2 - 27.1 mm
D2 - 37 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 13.3 mm
da - min. - 23.2 mm
da - max. - 26.6 mm
db - min. - 23.2 mm
db - max. - 26.6 mm
Da - max. - 38.8 mm
Db - max. - 40 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
Basic dynamic load rating - C - 8.3 kN
Basic static load rating - C0 - 4.2 kN
Fatigue load limit - Pu - 0.173 kN
Limiting speed for grease lubrication - 38000 r/min
Ball - Dw - 6.35 mm
Ball - z - 12
Calculation factor - e - 0.68
Calculation factor - Y2 - 0.87
Calculation factor - Y0 - 0.38
Calculation factor - X2 - 0.41
Calculation factor - Y1 - 0.92
Calculation factor - Y2 - 1.41
Calculation factor - Y0 - 0.76
Calculation factor - X2 - 0.67
Preload class A - GA - 50 N
Preload class B - GB - 100 N
Preload class C - GC - 200 N
Preload class D - GD - 400 N
Calculation factor - f - 1.03
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.02
Calculation factor - f2C - 1.05
Calculation factor - f2D - 1.08
Calculation factor - fHC - 1
Preload class A - 54 N/micron
Preload class B - 69 N/micron
Preload class C - 90 N/micron
Preload class D - 120 N/micron
Mass bearing - 0.068 kg
Hot number:NTN RNA 49/5 OKB 192305 OKB 3282126 CX 232/530 KCW33+H32/530 SKF 71803 CD/HCP4 CRAFT 6007ZZ Fersa 6408 Timken 98400/98788B NKE NJ218-E-MA6 NBS SL185013 New Departure 6011-Z NSK HK-1312 FED LS-121/2 MRC 7221 NOK T2G-230
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