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型号	品牌	类型	内径	外径	厚度
BK4520	IKO	滚针轴承	45	52	20
BK4020	IKO	滚针轴承	40	47	20
BK3520	IKO	滚针轴承	35	42	20
BK3020	IKO	滚针轴承	30	37	20
BK2820	IKO	滚针轴承	28	35	20
BK2520	IKO	滚针轴承	25	32	20
BK1012	IKO	滚针轴承	10	14	12
BK0912	IKO	滚针轴承	9	13	12
BK6020	IKO	滚针轴承	60	68	20
BK5520	IKO	滚针轴承	55	63	20
BK5020	IKO	滚针轴承	50	58	20
BK2216	IKO	滚针轴承	22	28	16
BK2016	IKO	滚针轴承	20	26	16
BK1816	IKO	滚针轴承	18	24	16
BK1616	IKO	滚针轴承	16	22	16
BK1516	IKO	滚针轴承	15	21	16
BK1416	IKO	滚针轴承	14	20	16
BK1210	IKO	滚针轴承	12	16	10
BK1010	IKO	滚针轴承	10	14	10
BK0910	IKO	滚针轴承	9	13	10
BK0810	IKO	滚针轴承	8	12	10
BK3016	IKO	滚针轴承	30	37	16
BK2816	IKO	滚针轴承	28	35	16
BK2516	IKO	滚针轴承	25	32	16
BK0709	IKO	滚针轴承	7	11	9
BK0609	IKO	滚针轴承	6	10	9
BK0509	IKO	滚针轴承	5	9	9
BK2212	IKO	滚针轴承	22	28	12
BK2012	IKO	滚针轴承	20	26	12
BK1812	IKO	滚针轴承	18	24	12
BK1712	IKO	滚针轴承	17	23	12
BK1612	IKO	滚针轴承	16	22	12
BK1512	IKO	滚针轴承	15	21	12
BK1412	IKO	滚针轴承	14	20	12
BK0408	IKO	滚针轴承	4	8	8
BK4012	IKO	滚针轴承	40	47	12
BK3512	IKO	滚针轴承	35	42	12
BK3012	IKO	滚针轴承	30	37	12
BK2512	IKO	滚针轴承	25	32	12
HK4520	IKO	滚针轴承	45	52	20