d - 50 mm
D - 90 mm
B - 20 mm
C - 20 mm
Angle (α) - 40 °
a - 39 mm
r1 min. - 1,1 mm
r2 min. - 1,1 mm
r3 min. - 0,6 mm
r4 min. - 0,6 mm
Weight - 0,47 Kg
Basic dynamic load rating (C) - 40,8 kN
Basic static load rating (C0) - 30,5 kN
Limiting speed - 9000 r/min
Cage material - polyamide
Hot number:KOYO 231/500 CAC/W33 KOYO 51252 KOYO 53202 U NSK NU 407 TIMKEN 36990 OKB 236207 NTN 7318BDT CX HK283824 Samick LMEKM50 NTN NN4934KC9NAP4 MRC 61822 American BT-120-512 FAG NUP-2240E NHBB SSRI-1214ZZF SKF 99857
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