Browning 1127794 Finished Bore Sprocket 18T 3/8in Pitch

Product Description

The BROWNING 1127794 is a finished bore sprocket designed for use with ANSI No. 35 roller chain. It features 18 teeth and a 3/8 inch chain pitch, making it a direct-fit component in light-duty mechanical drive systems. The bore is pre-machined to 5/8 inch, eliminating the need for secondary boring operations on-site. Constructed from steel, this sprocket delivers the durability expected in conveyor, pump, and equipment drive applications. It is sized with a 1.766 inch hub diameter and a 2.35 inch outside diameter. Mechanical and HVAC technicians working on chain-driven equipment will find this a straightforward replacement or new-build component.

This sprocket is suited for residential and light commercial mechanical drive assemblies using ANSI No. 35 roller chain. Typical applications include conveyor systems, small pump drives, fan drives, and general power transmission equipment where a compact, finished bore sprocket is required. The pre-finished 5/8 inch bore allows direct shaft installation without additional machining, making it practical for field service and shop builds alike.

Key Features

• Finished bore at 5/8 inch — ready for direct shaft installation with no secondary machining
• 18-tooth configuration with 3/8 inch pitch for ANSI No. 35 roller chain compatibility
• Steel construction for durability in power transmission environments
• Compact 2.35 inch outside diameter suits tight drive system envelopes
• 1.766 inch hub diameter provides solid engagement in standard sprocket mounting configurations

Compatibility

Designed for use with ANSI No. 35 roller chain (3/8 inch pitch). Suitable as a replacement or new-installation sprocket in chain drive assemblies requiring an 18-tooth, 5/8 inch bore finished bore sprocket.

Installation Notes

Installation should be performed by a qualified mechanical technician familiar with chain drive systems. Ensure the drive shaft and all connected equipment are fully de-energized and locked out before removing or installing sprockets. Verify shaft diameter matches the 5/8 inch finished bore before mounting, and confirm chain alignment and tension after installation per the equipment manufacturer's specifications. A shaft key and appropriate set screw hardware may be required and should be verified against the drive assembly design.