Product Details

B203 Freewheel Bearing Indexing Clutch Used For Industrial Machines

Product Description

Features

Type B203 is a non bearing supported sprag type freewheel.

The sprags run directly on the shaft provided by the user. Bearings are required to support axial and radial loads.

Data Sheet

Details
Item		B203
Material		GCr15
Max. Idexing		150 cycle/min
Key Way		4X2.5
Outer Diameter		40 mm
Weight		0.23 kg
Drag Torque		0.1 Nm
Application		Elevator, Industrial Machines

Installation and Usage

1. 200 Series Cam Clutch is shaft mounted, so the shaft on which the clutch is mounted must be hardened to Rc 56-60 and 1.5 mm case depth after grinding. Grind to 1.5S (16micro-inch) finish. The taper of this shaft should not exceed 0.01 mm per 50mm.

2. For installation of the clutch, mount the clutch with bearings at both sides or on one side in order to obtain concentricity between the shaft and the clutch outer race and to take up radial or thrust loads which may work on the outer race or the shaft. See the installation example.

3. The clutch should be mounted on the shaft by rotating it in the direction marked by the arrow

shown on the clutch plate. Do not apply shock to the clutch by hammering.

4. The clutches have the same outside diameters as the bearings shown in the table above. Bore tolerance of the housing in which the clutch is assembled should be within the range shown in the table below.

5. For indexing, oil lubrication is recommended.

6. Concentricity of the housing bore and shaft should be within 0.05 mm.

7. Key profile should be in accordance with JIS B1301-1959.

Different Models You May Choose

Model	Torque Capacity (N.m)	Drag Torque (N.m)	Max .Overrunning (r/min)		Max.Idexing (cycle/min)	A(+0 to -0.6)	B	Keyway	With JIS Bearing No.	Shaft Dia. C(+0 to -0.025)	Weight (kg)
Model	Torque Capacity (N.m)	Drag Torque (N.m)	Shaft	Outer Race	Max.Idexing (cycle/min)	A(+0 to -0.6)	B	Keyway	With JIS Bearing No.	Shaft Dia. C(+0 to -0.025)	Weight (kg)
B203	39.2	0.10	2400	500	150	25.0	40(-0.014-0.039)	4X2.5	6203	16.510	0.23
B204	58.8	0.10	2400	500	150	25.0	47(-0.014-0.039)	5X3	6204	18.796	0.34
B205	98	0.20	1800	400	150	25.0	52(0.017-0.042)	5X3	6205	23.622	0.45
B206	235	0.20	1800	350	150	28.0	62(-0.017-0.042)	7X4	6206	32.766	0.68
B207	372	0.20	1800	300	150	28.0	72(-0.017—0.042)	7X4	6207	42.088	0.80
B208	549	0.20	1800	200	150	32.0	80(-0.017-0.042)	10X4.5	6208	46.761	0.91
B209	549	0.20	1800	200	150	32.0	85(-0.020-0.045)	10X4.5	6209	46.761	0.95
B210	784	0.29	1200	200	150	32.0	90(-0.020-0.045)	10X4.5	6210	56.109	1.00
B211	784	0.29	1200	200	150	32.0	100(-0.020-0.050)	10X4.5	6211	56.109	1.40
B212	1230	0.29	1200	180	150	42.0	110(-0.020-0.050)	10X4.5	6212	70.029	1.80
B213	1230	0.29	1200	180	150	42.0	120(-0.020-0.050)	10X4.5	6213	70.029	2.30
B214	1390	0.39	180	180	150	42.0	125(-0.024-0.060)	12X4.5	6214	79.356	2.4