d - 170 mm
D - 310 mm
B - 52 mm
- 45 ° / Groove angle
a - 168 mm
an - 12,7 mm
bn - 10,5 mm
D1 - 260,5 mm
Da max - 293 mm
d1 - 221,4 mm
da min - 187 mm
ra max - 3 mm
rmin - 4 mm
rn - 2 mm
α - 35 ° / Angle
m - 18,9 kg / Weight
Cr - 420000 N / Dynamic load rating (radial)
C0r - 630000 N / Static load rating (radial)
nG - 3750 1/min / Limiting speed
Cur - 22800 N
Main dimensions to DIN 628-4, separable, with two retaining slots
Hot number:KOYO 7220 B/DF NSK 240/750CAK30E4 ZEN 61921 Timken 6460/6420A FAG 713650290 SKF 71972 BM CX 86669/86100 KOYO DAC3580WHR4 INA GE500-DO ISO RNA4834 NTN SC3210 Torrington AS4565 ISC R-2 SKF FYWK 20 YTA NOK JASO 1025 1A
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