d - 130 mm
D - 280 mm
B - 58 mm
C - 58 mm
a - 115 mm
r min. - 4 mm
r1 min. - 1,5 mm
da min. - 148 mm
Da max. - 262 mm
ra max. - 3 mm
Weight - 17,6 Kg
Basic dynamic load rating (C) - 250 kN
Basic static load rating (C0) - 268 kN
(Grease) Lubrication Speed - 1 900 r/min
(Oil) Lubrication Speed - 2 600 r/min
Hot number:KOYO 7221 C/DB NTN NU 322 TIMKEN LM772748/LM772710 OKB NKE 23028-K-MB-W33+H3028 SKF 415696B NSK 6307NR Timken 93800/93125-B KOYO DC4940AVW NSK FWF-505527 Timken NAO50X68X20 FAG 230SM135 FAG 6216 FAG MM25BS62/17P/4 SKF RNAO-25x37x17
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