CSK..2RS is 5 mm wider but is equipped with lip seals to be water splash resistant.

CSK..2RS is 5 mm wider but is equipped with lip seals to be water splash resistant.

UF20B20X60X20, Tkn (120Nm)

Type	Max Indexing (cycle/min)	A(^{+0 to}_-0.06)	B	Shaft Dia C (^{+0 to}_-0.025)	Keyway	Bearing Number	Weight (Kg)
B 203	150	25.0	40^-0.014_-0.039	16.510	4×2.5	6203	0.23
B 204	150	25.0	47^-0.014_-0.039	18.796	5×3	6204	0.34
B 205	150	25.0	52^-0.017_-0.042	23.622	5×3	6205	0.45
B 206	150	28.0	62^-0.017_-0.042	32.766	7×4	6206	0.68
B 207	150	28.0	72^-0.017_-0.042	42.088	7×4	6207	0.80
B 208	150	32.0	80^-0.017_-0.042	46.761	10×4.5	6207

Model No.	Torque Capacity lb. ft	Max. Shaft Overrunning RPM	Dimensions				Single weight (kg)
Model No.	Torque Capacity lb. ft	Max. Shaft Overrunning RPM	OD	W	d	D (With key)	Single weight (kg)
B-203A	39	2500	1.5743/1.5728	1"	.649/.650	1/8x1/16	0.23
B-204A	50	2500	1.8496/1.8453	1"	.739/.740	3/14x3/22	0.34
B-205A	80	2500	2.0463/2.0448	1"	.929/.930	3/14x3/22	0.45
B-206A	175	2000	2.4403/2.4388	1 1/8"	1.289/1.290	1/4x1/8	0.68
B-207A	275	2000	2.8341/2.8326	1 1/8"	1.656/1.657	1/4x1/8	0.80
B-208A	405	1800	3.1491/3.1476	1 1/4"	1.840/1.841	3/8x3/14	0.91

B200A series one-way bearings (clutches) have the same outer diameters as standard 6200 series ball bearings. Special rollers and springs are in-built without any inner ring; for installation of clutch, shaft must be supported by bearings.

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