Koyo RC-121610 Roller Clutch, DC Type, Open, Plastic Cage, Inch, 3/4" ID, 1" OD, 5/8" Width

Koyo RC-121610 DC roller clutch with plastic cage, inch size
✔️ DC type, open cup, 3/4 in ID, 1 in OD, 5/8 in W, single unit

These Koyo RC-121610 roller clutch units transmit torque in one direction while allowing free overrun in the opposite direction. Designed for restricted spaces, the drawn cup outer shell keeps the cross-section small, and a molded acetyl resin polymer cage with an integral leaf spring per roller ensures smooth engagement. Through-hardened high-carbon chromium steel rollers deliver durability under heavy loads, and lithium soap grease is included for immediate use. Typical applications include athletic equipment, paper towel dispensers, office machines, and appliances.

✅ One-way torque transmission with free overrun in reverse
✅ Drawn cup outer steel shell for compact cross-section in restricted spaces
✅ Plastic acetyl resin cage with an integral leaf spring per roller
✅ Through-hardened high-carbon chromium steel rollers for heat tolerance and durability
✅ Continuous operation up to 200 °F (90 °C)
✅ Lithium soap grease packed for immediate use
✅ Dimensions: ID 3/4 in (19.05 mm), OD 1 in (25.40 mm), width 5/8 in (15.88 mm)
✅ Pack: 1 unit

💡 What is a roller clutch used for in mechanical drive systems?

A handy solution for controlling motion in one direction and allowing smooth rotation the other way.

• Handy for one-way torque transmission in drive shafts and gear trains
• Helps prevent back-driving of motors and implements in compact layouts
• Common in printers, appliances, athletic equipment, and small machinery
• Uses a drawn cup outer shell and plastic cage for space-saving designs