Ruland Manufacturing SP-39-F Shaft Collar 2-Piece 2-7/16 In Steel

2-7/16 Inch Two-Piece Steel Shaft Collar

This clamp-style collar fits a round bore of 2 7/16 inches and is made from 1215 carbon steel with a black oxide finish. The two-piece construction allows installation or adjustment without removing other shaft-mounted components. An outside diameter of 3 1/2 inches and a collar width of 3/4 inch provide a secure grip for power transmission assemblies.

Check shaft diameter and clearance before ordering

Verify the shaft measures exactly 2 7/16 inches and has no keyway, as this collar is designed for a plain round bore. Ensure at least 3.71 inches of radial clearance is available around the shaft so the collar can close fully. Confirm the alloy-steel clamping screw is compatible with your torque tools and maintenance schedule.

Replaces one-piece collars when shaft removal is

The split design upgrades from solid-ring collars by allowing fitting or repositioning on an assembled shaft, saving disassembly time. The 1215 lead-free steel grade suits general industrial use where Prop 65-listed chemicals are noted but not restricted for this application. The change is worth it when equipment downtime must be minimised.