GENERAL INFORMATION | DESIGN | CSK Series (One-Way Bearing) The CSK model freewheel is a sprag type clutch integrated into a 6200 series ball bearing (except sizes 8 and 40). It provides you with a one way clutch, and eliminates the need for a ball bearing. It gives a high degree of freewheeling accuracy while utilizing a minimum of space. The CSK model freewheels can be used in backstop, overrunning or indexing applications. | CSK freewheels have the outer dimensions of type 62 ball bearings. On the side of the balls, sprags are mounted. The sprags and balls are arranged in a plastic cage to hold them. The CSK freewheels have the same characteristics as ball bearings and additional bearing is not necessary. | TEMPERATURE | The admissible operating temperature is -40 F (-40 C) to 212 F (+100 C). Peaks up to 248 F (+120 C) are acceptable for short periods. | TORQUE TRANSMISSION | The transmission of rated torque of these units is ensured by a press fit into a rigid outer housing with N6 tolerance, and onto a shaft with n6 tolerance. The initial bearing radial clearance is set at C5, and is reduced if using the press fit as specified. One race may be glued. If both races are to be glued, performance will be reduced or a C3 bearing clearance will be necessary. | MAXIMUM SPEED | The maximum allowable speed with standard grease is shown in the table below. The speeds are for operation in a clean environment within the specified temperature range. | Size RPM CSK 8 15,000 CSK 12 10,000 CSK 15 8,400 CSK 17 7,350 CSK 20 6,000 CSK 25 5,200 CSK 30 4,200 CSK 35 3,600 CSK 40 3,000 | NINGBO SUNTHAI BEARING CO.,LTD TEL£o+86-574- (EXT) 8013 FAX£o ADD£oNO.1730 LIYUAN NORTH ROAD, NINGBO, CHINA E-mail£ostb888@sunthaibearing.com WEBSITE£owww.inansk.com www.zcytl.com SUNTHAI NON-STANDARD BEARING WEBSITE: www.okbzc.com SUNTHAI BLOG: www.FFbing.com BRANDS:SUNTHAI , F&F
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