富艾博机械进出口（上海）有限公司

Bearing type 轴承型号	Boundary Dimensions（mm）外形尺寸
Bearing type 轴承型号	d 内径	D 外径	B 内圈宽度
NN3064K	320	480	121
NN3068	340	520	133
NN3068K	340	520	133
NN3072	360	540	134
NN3072K	360	540	134
RS-4910E4	50	72	22
RSF-4910E4	50	72	22
RS-4912E4	60	85	25
RSF-4912E4	60	85	25
RS-4913E4	65	90	25
RSF-4913E4	65	90	25
RS-4914E4	70	100	30
RSF-4914E4	70	100	30
RS-4916E4	80	110	30
RSF-4916E4	80	110	30
RS-4918E4	90	125	35
RSF-4918E4	90	125	35
RS-4820E4	100	125	25
RSF-4820E4	100	125	25
RS-4920E4	100	140	40
RSF-4920E4	100	140	40
RS-4821E4	105	130	25
RSF-4821E4	105	130	25
RS-4921E4	105	145	40
RSF-4921E4	105	145	40
RS-4822E4	110	140	30
RSF-4822E4	110	140	30
RS-4922E4	110	150	40
RSF-4922E4	110	150	40
RS-4824E4	120	150	30