The Timken Company SCJ1 Four-Bolt Flange Bearing

The Timken Fafnir SCJ1 four-bolt square flange bearing supports a 1.000 in shaft in industrial power transmission and material handling systems, using a GYA100RRB insert bearing with a set-screw locking mechanism for secure shaft retention. Its one-piece cast-iron housing, molded shroud seals, and relubricatable design enable reliable shaft support in conveyors, packaging lines, agricultural equipment, fans, blowers, food processing equipment, and other general industrial equipment requiring durable flange-mounted shaft support. Key specs include dynamic load rating 3,490 lbf (15,500 N), static load rating 1,750 lbf (7,800 N); overall length 3.748 in (95.2 mm); housing width 0.780 in (19.8 mm); bolt hole spacing 2.750 in (69.85 mm); bolt hole size 0.394 in (10 mm); flange thickness 0.531 in (13.5 mm); inner ring width 1.110 in (28.2 mm); lubrication: factory prelubricated with a grease fitting for relubrication; locking style set screw; four-bolt square flange housing; bearing type mounted ball bearing; bearing number GYA100RRB; series Standard SCJ Series. Common replacements include Timken SCJ1KRRB, Timken SCJ1 with GYA100RRB insert bearing, and Dodge F4B-SC-100 equivalent.