Timken RCJ1 Four-Bolt Flange Bearing For 1 Inch Bore

Description:

The Timken Fafnir RCJ1 four-bolt flange 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 systems requiring dependable flange-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 RCJ1 is an industrial four-bolt square flange mounted ball bearing unit featuring a G1100KRRB wide inner ring bearing with an eccentric self-locking collar for secure shaft retention. Its cast iron housing incorporates a self-aligning spherical bearing seat, making it ideal for conveyor systems, bulk material handling equipment, agricultural machinery, food processing equipment, and general industrial applications where dependable shaft support and simplified maintenance are required.

Technical Specifications:

• Manufacturer: Timken Fafnir
• Manufacturer Part Number (MPN): RCJ1
• Product Type: 4-bolt flange bearing unit
• Series: Industrial RCJ Series
• Bearing Type: Mounted ball bearing
• Bearing Number: G1100KRRB
• Shaft Size: 1.000 in (25.4 mm)
• Locking Style: Eccentric locking collar
• Housing Construction: Four-bolt square flange
• Housing Material: Cast iron
• Seal Type: Shroud seal
• Total Length: 3.748 in (95.2 mm)
• Housing Width: 1.098 in (27.9 mm)
• Flange Thickness: 0.500 in (12.7 mm)
• Bolt Hole Spacing: 2.748 in (69.8 mm)
• Bolt Hole Size: 0.394 in (10 mm)
• Bolt Size: M10
• 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 RCJC1
• Timken RCJT1
• Dodge F4B-SC-100 equivalent