d - 50 mm
D - 80 mm
B - 16 mm
d1 - 61.44 mm
d2 - 59.65 mm
D2 - 70.7 mm
b - 1.5 mm
C1 - 8.6 mm
C2 - 3.6 mm
C3 - 2.6 mm
r1,2 - min. - 1 mm
r3,4 - min. - 0.6 mm
a - 16.7 mm
da - min. - 54.6 mm
db - min. - 54.6 mm
Da - max. - 75.4 mm
Db - max. - 76.8 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
dn - 61.8 mm
Basic dynamic load rating - C - 10 kN
Basic static load rating - C0 - 7.8 kN
Fatigue load limit - Pu - 0.335 kN
Limiting speed for grease lubrication - 28000 r/min
Limiting speed for oil lubrication - 45000 mm/min
Ball - Dw - 5.556 mm
Ball - z - 27
Gref - 3.11 cm3
Calculation factor - f0 - 9.7
Preload class A - GA - 33 N
Preload class B - GB - 66 N
Preload class C - GC - 200 N
Calculation factor - f - 1.06
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.02
Calculation factor - f2C - 1.05
Calculation factor - fHC - 1.01
Preload class A - 37 N/micron
Preload class B - 48 N/micron
Preload class C - 76 N/micron
Mass bearing - 0.279 kg
Hot number:NTN NK 90/35 TIMKEN 39580/39521 OKB 2419 OKB 12218EH Timken 25580/25520DC+X1S-25581 AST AST850SM 8560 Timken JRM3938A-92UA2 INA GIR 20 DO INA NK90/25 NTN N2219 SNR UCC306 RHP 51172 SKF NU 2210 ECJ SKF PRM 222530 NTN 6312 N
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