Overview
The Timken RPB1 is a light-duty pillow block ball bearing unit manufactured by Timken (Fafnir brand). This compact housed unit combines a precision ball bearing with a durable cast-iron pillow block housing, delivering reliable support for rotary equipment in general industrial automation, light machinery, and motion control systems. The unit arrives pre-assembled and ready for mounting.
Key Features
- Light-duty pillow block design suitable for standard industrial applications
- 1.001 inch (approximately 25.4 mm) bore diameter
- Bolt center-to-center spacing: 3 to 4-1/8 inches for flexible mounting options
- Pre-assembled ball bearing with special race finish for quiet, smooth operation
- Cast-iron housing with corrosion-resistant finish
- Sealed design protects bearings from dirt and moisture contamination
Technical Specifications
- Bearing Type: Wide inner ring ball bearing (light duty)
- Bore Diameter: 1.001 inches (25.4 mm)
- Housing Style: Pillow block (Type RP)
- Bolt Pattern: 3 to 4-1/8 inch mounting centers
- Manufacturer: Timken Company (Fafnir brand)
- Housing Material: Cast iron with electro-coat finish
- Bearing Elements: Steel ball bearings with precision race finish
- Operating Temperature: Do not operate above 121°C (250°F)
Typical Applications
The Timken RPB1 is ideal for conveyor systems, fan drives, pump coupling supports, and general industrial machinery where light to moderate radial loads are encountered. Its compact size and straightforward mounting make it suitable for equipment retrofit and OEM original equipment installations in automotive, food processing, textile, and basic manufacturing environments.
Compatibility & Replacements
Compatible With
- Straight shafts up to 1.001 inch diameter
- Standard pillow block mounting bases and frames
- Light-duty equipment requiring simple slip-fit installation
- Timken lubricants and grease-lubricated bearing systems
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator before ordering. Original equipment specifications should be confirmed to ensure proper fit and load ratings.
Works With
- Timken grease and oil lubrication systems
- Standard pillow block mounting hardware (bolts, bases)
- Shaft diameters matching 1.001 inch bore specification
- General industrial automation frameworks
