The Timken Company RAK3/4 Pillow Block Bearing

Description:

The Timken Fafnir RAK 3/4 pillow block ball bearing is used to support a 3/4-inch rotating shaft in industrial power transmission and material handling systems. Commonly installed in conveyors, agricultural equipment, packaging machinery, fans, blowers, and general 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 3/4 is an industrial two-bolt pillow block bearing featuring a G1012KRRB 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 3/4
• Product Type: 2-bolt pillow block ball bearing unit
• Series: Industrial RAK Series
• Bearing Type: Mounted ball bearing
• Bearing Number: G1012KRRB
• Shaft Size: 3/4 in (19.05 mm)
• Locking Style: Eccentric locking collar
• Housing Style: Two-bolt pillow block
• Housing Material: Cast iron
• Seal Type: Shroud seal
• Base to Center Height: 1.250 in (31.75 mm)
• Overall Length: 5.000 in (127 mm)
• Overall Width: 1.311 in (33.3 mm)
• Overall Height: 2.531 in (64.3 mm)
• Bolt Hole Spacing: 3.780 in (96 mm)
• Bolt Hole Size: 0.437 × 0.795 in (11.1 × 20.2 mm)
• Dynamic Load Rating: 3,190 lbf (14,200 N)
• Static Load Rating: 1,460 lbf (6,500 N)

Common Replacements:

• Timken RAS 3/4
• Timken RAK 3/4 PT
• Dodge P2B-SC-012 equivalent