The Timken Company RAK 1 Pillow Block Ball Bearing

Description:

The Timken Fafnir RAK 1 pillow block ball bearing is used to support a 1-inch rotating shaft in industrial power transmission and material handling systems. Commonly installed in conveyors, agricultural equipment, packaging machinery, fans, blowers, and manufacturing equipment requiring dependable mounted shaft support. Maintenance teams, OEMs, and system integrators use this bearing unit for replacement, repair, retrofit, and equipment overhaul to restore reliable shaft alignment and minimize equipment downtime.

Applications:

The Timken Fafnir RAK 1 is an industrial two-bolt pillow block bearing featuring a G1100KRRB wide inner ring ball bearing with an eccentric locking collar for secure shaft retention. Its cast iron housing and shroud seal design provide dependable performance in conveyor systems, bulk material handling equipment, agricultural machinery, HVAC equipment, and general industrial applications where reliable shaft support and long service life are essential.

Technical Specifications:

• Manufacturer: Timken Fafnir
• Manufacturer Part Number (MPN): RAK 1
• Product Type: 2-bolt pillow block ball bearing unit
• Series: Industrial RAK Series
• Bearing Type: Mounted ball bearing
• Bearing Number: G1100KRRB
• Shaft Size: 1.000 in (25.4 mm)
• Locking Style: Eccentric locking collar
• Housing Style: Two-bolt pillow block
• Housing Material: Cast iron
• Seal Type: Shroud seal
• Base to Center Height: 1.313 in (33.3 mm)
• Overall Length: 5.500 in (139.7 mm)
• Overall Width: 1.468 in (37.3 mm)
• Overall Height: 2.734 in (69.4 mm)
• Bolt Hole Spacing: 4.125 in (104.8 mm)
• Mounting Bolt Size: 3/8 in
• Dynamic Load Rating: 3,490 lbf (15,500 N)
• Static Load Rating: 1,750 lbf (7,800 N)
• Lubrication: Factory prelubricated with grease fitting for relubrication

Common Replacements:

• Timken RAS 1
• Timken RAKH1
• Dodge P2B-SC-100 equivalent