The Timken Company RCJ1-11/16 Four-Bolt Flange Bearing

Description:

The Timken Fafnir RCJ1-11/16 four-bolt flange bearing is used to support a 1-11/16 inch rotating shaft in industrial power transmission and material handling systems. Commonly installed in conveyors, agricultural equipment, packaging machinery, processing equipment, 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 RCJ1-11/16 is an industrial four-bolt square flange mounted ball bearing unit featuring a G1111KRRB wide inner ring bearing with an eccentric locking collar for secure shaft retention. Its cast iron housing incorporates a self-aligning bearing seat, making it ideal for conveyor systems, bulk material handling equipment, agricultural machinery, food processing equipment, and general industrial applications where reliable shaft support and simplified maintenance are essential.

Technical Specifications:

• Manufacturer: Timken Fafnir
• Manufacturer Part Number (MPN): RCJ1-11/16
• Product Type: 4-bolt flange bearing unit
• Series: Industrial RCJ Series
• Bearing Type: Mounted ball bearing
• Bearing Number: G1111KRRB
• Shaft Size: 1-11/16 in (1.6875 in / 42.9 mm)
• Locking Style: Eccentric locking collar
• Housing Construction: Four-bolt square flange
• Housing Material: Cast iron
• Seal Type: Shroud seal
• Total Length: 5.374 in (136.5 mm)
• Housing Width: 1.531 in (38.9 mm)
• Flange Thickness: 0.563 in (14.3 mm)
• Bolt Hole Spacing: 4.126 in (104.8 mm)
• Bolt Hole Size: 0.472 in (12 mm)
• Dynamic Load Rating: 8,160 lbf (36,300 N)
• Static Load Rating: 4,600 lbf (20,500 N)

Common Replacements:

• Timken RCJ1-11/16 NT
• Timken RCJC1-11/16
• Dodge F4B-SC-111 equivalent