Overview
The Smalley CMS18-H2-S17 wave spring is a precision metric wave spring designed for compact assemblies requiring axial support and load management. This lot contains two units of the CMS18-H2 configuration manufactured in 17-7 PH stainless steel, offering excellent corrosion resistance and fatigue performance. The crest-to-crest design with integrated shims provides stable load characteristics across the operating range.
Key Features
- 18mm bore diameter with 13mm shaft clearance
- 90N rated load capacity with 36.14 N/mm spring rate
- Crest-to-crest configuration with 2 integral shims for stability
- 17-7 PH stainless steel material for corrosion resistance
- Metric design with 3.5 waves per turn, 4 total turns
- 5.13mm working height, 7.62mm free height
Technical Specifications
- Spring Type: Crest-to-Crest with Shims
- Bore Diameter (Db): 18.0 mm
- Shaft Clearance (Ds): 13.0 mm
- Working Load: 90.0 N
- Work Height: 5.13 mm
- Free Height: 7.62 mm
- Wire Thickness: 0.30 mm
- Wire Radial Wall: 1.83 mm
- Spring Rate: 36.14 N/mm
- Number of Waves/Turn: 3.5
- Number of Turns: 4
- Number of Shims: 2
- Material: 17-7 PH Stainless Steel
- Quantity per Lot: 2 units
Typical Applications
Wave springs like the CMS18-H2-S17 are widely used in industrial machinery and automation equipment where space constraints limit traditional coil spring options. Common applications include:
- Motor and gearbox shaft support assemblies
- Bearing preload and axial positioning
- Clutch and brake mechanisms
- Precision machinery vibration isolation
- Aerospace and medical device sub-assemblies
Compatibility & Replacements
Compatible With
- Any assembly requiring 18mm bore wave spring support
- Standard mechanical applications using metric wave springs
- Equipment designed for 90N axial load management
- 17-7 stainless steel compatible environments
Replaces / Drop-In Replacement For
The Smalley CMS18-H2-S17 is an exact replacement for OEM assemblies specifying this part number. Verify compatibility with your system integrator before ordering to ensure bore diameter, load rating, and stainless steel material meet your application requirements.
Works With
- Standard bearing housings and shaft assemblies (18mm bore applications)
- Motor couplings and transmission components
- Industrial machinery requiring metric wave spring standards
- Equipment operating in corrosive or high-humidity environments (stainless steel benefit)
