model 31311-A-N11CA-A80-120 Quality of bearing pair
m
≈kg 3.4

size mm

d	55
D	120
2B	58
2T	63
r3, r4 min	2
A	21

installation size mm

da max	68
Da min	94
Da max	110
Ca min	4
rb max	2

Basic rated load N

live load Cr	210000
dead load Cor	275000

Calculation coefficient

e	0.83
Y1	0.82
Y2	1.22
Y0	0.8

Fatigue limit load Cur/ N	32500
limit speed (Paired bearings) nG min–1	5600
Reference speed (Paired bearings) nB min–1	3250