Overview
The ReliaMark 2SPKRM shaft collar is a two-piece collar designed to fully engage the shaft without the risk of marring or other damage. This 3-7/16″ model is built for precision positioning and reliable clamping in mechanical power transmission systems. ReliaMark shaft collars are available in either SAE 1008 mild steel or T304 stainless steel, with the standard line featuring black oxide finish. ReliaMark shaft collars are designed for high value, providing reliable performance at an affordable price, and are manufactured to meet industry standards for use in a wide range of general-duty applications.
Key Features
- Two-Piece Split Design: Fully engages the shaft without the risk of marring or other damage
- Black Oxide Finish: Two-piece collars feature black oxide coating with socket head cap screws
- Recessed Screw Head: Ensures trouble-free operation, free from major projections
- Effective on Hard and Soft Shafts: Suitable for both hard and soft shaft materials
- Industry Standard Manufactured: Meets industry standards for general-duty applications
Technical Specifications
- Collar Length: 3-7/16″
- Collar Type: Two-Piece (Double-Split)
- Material: SAE 1008 Mild Steel
- Finish: Black Oxide
- Fastener Type: Socket Head Cap Screws
- Screw Head Design: Recessed
- Bore Tolerance: ±.004/+.001 for bores up to 3-¼”
- Condition: New in Box
Typical Applications
The ReliaMark 2SPKRM collar is used in:
- Industrial automation equipment requiring precise shaft positioning
- Motion control systems and mechanical power transmission
- Conveyor systems and material handling machinery
- Pumps, compressors, and rotating machinery
- General-duty industrial applications where shaft slippage must be prevented
- Systems requiring secure clamping without shaft surface damage
Compatibility & Replacements
Compatible With
- Standard inch-sized shafts ranging 1/8″ to 3″ bore diameter
- Hard shaft materials (steel, stainless steel)
- Soft shaft materials (aluminum, composite)
- Standard industrial power transmission systems
- General-duty motion control applications
Replaces / Drop-In Replacement For
- Other two-piece shaft collars with equivalent bore size and 3-7/16″ collar length
- Standard inch-sized two-piece collars meeting SAE specifications
- Verify compatibility with your system integrator before ordering
Works With
- Standard hex keys and socket wrenches for installation
- SAE-standard shaft sizes and keyways
- Industrial maintenance and replacement part programs
- General-duty power transmission and mechanical systems
