d - 40 mm
D - 68 mm
B - 15 mm
d1 - 50.95 mm
d2 - 49.87 mm
D2 - 58.88 mm
b - 1.5 mm
C1 - 7.8 mm
C2 - 3.6 mm
C3 - 2.6 mm
r1,2 - min. - 1 mm
r3,4 - min. - 0.6 mm
a - 20.2 mm
da - min. - 44.6 mm
db - min. - 44.6 mm
Da - max. - 63.4 mm
Db - max. - 64.8 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
dn - 51.6 mm
Basic dynamic load rating - C - 6.9 kN
Basic static load rating - C0 - 5.3 kN
Fatigue load limit - Pu - 0.224 kN
Limiting speed for grease lubrication - 32000 r/min
Limiting speed for oil lubrication - 48000 mm/min
Ball - Dw - 4.762 mm
Ball - z - 26
Gref - 2.22 cm3
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 - 41 N
Preload class B - GB - 82 N
Preload class C - GC - 245 N
Calculation factor - f - 1.04
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.02
Calculation factor - f2C - 1.05
Calculation factor - fHC - 1.01
Preload class A - 80 N/micron
Preload class B - 102 N/micron
Preload class C - 153 N/micron
Mass bearing - 0.203 kg
Hot number:NSK 7021 C/DT STEYR 53411 U NACHI NJ 2306 FAG 52307 OKB ISO 2207K SKF 231/850 CA/W33 LS GEG70ET-2RS ISO NP2972 CX NUP206 E SKF PFT 3/4 FM ZEN RLS10-2Z IKO RNA 49/38UU RBC GE-90ES SKF SN-507..2207-K
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