Seven Eighths Inch Ball Bearing With Integrated Five Sixteenths Inch Axle And One And One Quarter Inch Long Shaft Outer Diameter Seven Eighths Inch Pin Diameter Five Sixteenths Inch High Precision Low Friction Bearing For Machinery

Single-unit 7/8 in ball bearing with 1-1/4 in axle
✔️ 5/16 in pin, 7/8 in bearing OD, 1-1/4 in long axle

This compact sealed ball bearing assembly combines a built-in 5/16 pin with a 7/8 bearing OD and a 1-1/4 axle, built from durable 52100 alloy steel. It's commonly used in small machinery, hobby projects, DIY robotics, and light-duty rotating joints where reliable, low-friction motion is needed.

✅ Pin diameter: 5/16 in (7.94 mm)
✅ Bearing OD: 7/8 in (22.23 mm)
✅ Axle length: 1-1/4 in (31.75 mm)
✅ Material: 52100 alloy steel (chrome steel)

💡 What is an integrated ball bearing axle used for in small machinery?

Here's a handy, plain-language overview:

• Provides a compact, ready-to-install bearing assembly for quick setups.
• Reduces parts and assembly steps by combining pin, axle, and bearing in one unit.
• Ideal for hand-held tools, hobby machines, small conveyors, and DIY projects needing smooth motion.
• Supports standard dimensions and easy replacement with compatible parts.