Fafnir RAO2 7/16 2-Bolt Pillow Block Bearing
The Fafnir RAO2 7/16 is a robust and reliable 2-bolt pillow block bearing designed to meet the demands of heavy-duty industrial applications. Manufactured by Timken, this bearing unit combines durability with ease of installation, making it an ideal choice for various machinery setups.
Key Features
- Shaft Size: 2.4375 inches (2 7/16 inches)
- Base to Center Height: 3.3125 inches
- Housing Material: High-quality cast iron for enhanced strength and longevity
- Bearing Insert: GN207KRRB wide-inner-ring ball bearing, providing increased load capacity
- Locking Mechanism: Eccentric locking collar, eliminating the need for shaft shoulders, machining adapters, sleeves, and locknuts, facilitating straightforward mounting
- Seal Type: Contact seals to protect against contaminants and retain lubrication
- Design: Non-expansion type, suitable for applications where axial movement is restricted
Applications
The RAO2 7/16 pillow block bearing is versatile and can be utilized in various industries, including:
- Agriculture
- Fans and blowers
- Food processing
- Conveyors
Specifications
- Overall Width: 4 1/16 inches
- Housing Width: 7 7/16 inches
- Bolt Hole Spacing: 9 3/4 inches
- Bolt Hole Length: 1 inch
- Bolt Hole Width: 1 5/16 inches
- Base Length: 12 5/16 inches
- Base Width: 3 5/16 inches
- Housing Height: 6 17/32 inches
- Base Height: 1 1/2 inches
- Length Through Bore: 3 1/8 inches
- Weight: 22.0 lbs
Designed to incorporate the tested and proven features of the standard RAK series pillow blocks, the RAO series is equipped with heavy series GN-KRRB wide-inner-ring ball bearings for greater load capacity. All units are supplied with a self-locking collar, which eliminates shaft shoulders, machining adapters, sleeves, and locknuts, providing easy mounting.
For more detailed information and to ensure compatibility with your specific application, please refer to the manufacturer’s specifications or consult with a qualified engineer.









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