d - 30 mm
D - 55 mm
B - 13 mm
C - 13 mm
Angle (α) - 18 °
a - 13,3 mm
b - 1 mm
r min. - 1 mm
r1 min. - 0,6 mm
A - 39 mm
da min. - 36 mm
Da max. - 49 mm
ra max. - 1 mm
Weight - 0,116 Kg
Basic dynamic load rating (C) - 8,65 kN
Basic static load rating (C0) - 5,75 kN
(Grease) Lubrication Speed - 42400 r/min
(Oil) Lubrication Speed - 65900 r/min
Hot number:NTN 7221 AC KOYO 21312 CC TORRINGTON 22238 CCK/W33 KOYO NN 3072 KOYO NJ 318 E OKB 3644ZA KOYO 2217 ISO 7218 BDB Timken A-5228-WS NTN NAO-17×30×26ZW RIV 6413 FAG SAF-51833/16..ROLLER SKF 7017 ACB/P4A SKF 71907 ACE/HCP4AH SKF 61816
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