基本尺寸			型号
			Model
d[mm]	D[mm]	B[mm]
12	32	10	6201 N
12	18	4	W 61701 R-2ZS
12	24	6	W 61901 R-2RZ
12	32	10	W 6201
12	32	10	6201-ZNR
12	32	10	W 6201-2RS1
12	24	6	W 61901-2RS1
12	21	5	W 61801 R-2ZS
12	28	8	6001-2RSL
12	28	8	6001-2RSH
12	18	4	W 61701-2ZS
12	24	6	W 61901 R
12	24	6	61901-2Z
12	18	4	W 61701 R
12	21	7	W 63801-2Z
12	21	5	W 61801-2Z
12	24	6	W 61901-2Z
12	32	14	62201-2RS1
12.7	28.575	7.938	D/W R8 R-2Z
12.7	22.225	5.558	D/W R6-5
12.7	19.05	3.967	D/W ER1212-2ZS
12.7	33.338	9.525	RLS 4-2Z
12.7	33.338	9.525	RLS 4-2RS1
12.7	19.05	3.967	D/W SRI-1212-2ZS
12.7	19.05	3.967	D/W ER1212
12.7	28.575	6.35	D/W R8 R
12.7	28.575	7.938	D/W R8-2RS1
12.7	28.575	7.938	D/W R8 R-2RS1
12.7	22.225	7.142	D/W R6-5-2ZS
12.7	33.338	9.525	RLS 4