Overview
The Martin 60BB13H is a ball bearing idler sprocket engineered for #60 roller chain applications. This unit combines accurately machined steel construction with precision ball bearing support to ensure smooth idler rotation and consistent chain tension. The 60BB13H is commonly used in conveyor systems, industrial machinery, and power transmission setups where reliable chain guidance and tension control are critical.
Key Features
- Ball bearing design for reduced friction and smooth operation
- Unhardened steel teeth accurately machined (not stamped) for durability
- Compact 3.49 in outside diameter fits standard mounting configurations
- Press-fitted bearing ensures stable assembly and minimal maintenance
- Compatible with #60 roller chain systems
Technical Specifications
The Martin 60BB13H delivers precise dimensions and material specs suitable for demanding chain drive applications:
- Chain Size: #60
- Number of Teeth: 13
- Bearing Type: Ball (Type A)
- Bearing Bore: 0.638 in
- Outside Diameter (OD): 3.49 in
- Hub Diameter: 1.901 in
- Pitch: 3/4 in
- Length Through Bore (LTB): 0.72 in
- Weight: 0.76 lb
- Material: Steel (unhardened teeth)
- Series: BB-H (Ball Bearing, Hardened designation)
Typical Applications
The Martin 60BB13H idler sprocket is widely used in industrial power transmission and material handling systems, including:
- Conveyor belt tension systems
- Industrial machinery chain drives
- Power transmission tension guides
- Roller chain guide systems requiring smooth idler operation
- Equipment requiring precise chain alignment and slack removal
Compatibility & Replacements
Compatible With
- #60 roller chain systems
- Standard industrial conveyor equipment
- Martin-compatible mounting frames and housings
- Applications requiring 3/4 in pitch chain drives
Replaces / Drop-In Replacement For
The Martin 60BB13H 5/8 in bore variant directly replaces OEM part number 165161. Verify bearing bore diameter (0.638 in) and shaft compatibility before ordering. Contact your system integrator to confirm part fit in your specific application.
Works With
- #60 roller chain assemblies
- Standard chain drive tensioning systems
- Martin idler mounting assemblies
- Industrial chain drive conveyor systems












