d - 200 mm
D - 310 mm
B - 51 mm
d1 - 233.9 mm
d2 - 233.9 mm
D1 - 276.1 mm
K - 0.6 mm
C1 - 14 mm
r1,2 - min. - 2.1 mm
r3,4 - min. - 1.1 mm
a - 59.8 mm
da - min. - 211 mm
db - min. - 211 mm
Da - max. - 299 mm
Db - max. - 304 mm
ra - max. - 2 mm
rb - max. - 1 mm
dn - 243.2 mm
Basic dynamic load rating - C - 296 kN
Basic static load rating - C0 - 390 kN
Fatigue load limit - Pu - 10.2 kN
Limiting speed for grease lubrication - 5300 r/min
Limiting speed for oil lubrication - 8000 mm/min
Ball - Dw - 34.925 mm
Ball - z - 21
Gref - 153 cm3
Calculation factor - f0 - 15.6
Preload class A - GA - 1100 N
Preload class B - GB - 2200 N
Preload class C - GC - 4400 N
Preload class D - GD - 8800 N
Calculation factor - f - 1.14
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.02
Calculation factor - f2C - 1.05
Calculation factor - f2D - 1.09
Calculation factor - fHC - 1.02
Preload class A - 230 N/micron
Preload class B - 311 N/micron
Preload class C - 431 N/micron
Preload class D - 617 N/micron
Mass bearing - 10.075 kg
Hot number:MRC 7221 AC/DB TIMKEN 2584/2523 AST 12168/12303 Timken 309WDD CRAFT 3215-2RS NTN 6312NR KOYO FNTK-4062 FAG HC7011-E-T-P4S NTN NK26/20R+IR22X26X20 RHP LJ5/8-2Z SKF PCM 300305100 E SKF 32934 Hyatt AD-222 SKF QJ 316 N2MA SKF SYNT 60 LTS
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