Overview
The Fafnir S1107KC1 is an eccentric locking collar bearing component designed for use with Fafnir RA107 series ball bearings. This collar component provides a self-locking mechanism and shaft retention capability essential for industrial bearing assemblies. As a critical wear part, the S1107KC1 collar ensures proper bearing preload and secure shaft positioning in machinery and equipment.
Key Features
- Eccentric locking collar design for RA107 series bearings
- Self-locking mechanism for secure shaft retention
- Factory-matched component with RA-series bearings
- Non-relubricatable design reduces maintenance
- Standard duty application rated for industrial use
- Proven durability in industrial equipment assemblies
Technical Specifications
Bearing Compatibility: Fafnir RA107RR, RA107RRB series wide inner ring bearings
Collar Type: Eccentric locking collar
Bore Size: Fits 1-3/8″ shaft (approx. 35 mm)
Design: Self-locking mechanism with eccentric adjustment
Maintenance: Non-relubricatable
Cage Material: Steel
Bearing Clearance: C3 (greater than normal)
Precision Grade: ABEC 1 (standard)
Manufacturer: Fafnir (Timken Company)
Made In: United States
Typical Applications
Fafnir S1107KC1 collars are used in:
- Industrial machinery and equipment maintenance
- Shaft support assemblies requiring precise bearing preload
- Agricultural equipment with wide inner ring bearing housings
- Mining and material handling equipment
- General industrial motor mounts and sheaves
- OEM bearing assembly replacement and repair
Compatibility & Replacements
Compatible With
- Fafnir RA107RR ball bearing housing units
- Fafnir RA107RRB spherical bearing housing units
- 1-3/8″ shaft mounted bearing assemblies
- Industrial equipment with standard RA-series bearing frames
- Equipment originally equipped with Fafnir RA-107 series bearings
Replaces / Drop-In Replacement For
- OEM Fafnir S1107KC1 collars in RA107 bearing assemblies
- Original equipment manufacturer bearing collar assemblies
- Worn or damaged S1107K series collar components
Works With
- RA107RR eccentric collar ball bearings
- RA107RRB spherical bore ball bearings
- Standard industrial bearing housings (pillow blocks, flanged units)
- Shaft-mounted bearing assemblies and adapter sleeves
- Wide inner ring bearing systems
