Timken® Tapered Roller Bearing Unit, 1-1/4 in Bore

Description

Timken®, E-4BF-TRB-1 1/4, Tapered Roller Bearing Unit, Flange Type E, 1-1/4 in Bore, 2-7/8 in Bolt Center-to-Center Length, 3/8 in Diameter Bolt Circle, 4-Bolt Square Flange Mounting, 3-3/4 in Overall Length/Diameter, 2-3/4 in Overall Depth, 3-3/4 in Overall Height, Double Set Screw Collar Locking Device, Steel Bearing, 3810 lb Dynamic/15760 lb Static Load, 4490 rpm Maximum, -54 to 250 deg F, Uncoated

Features:

• Designed to optimize lip contact
• Double-lip design
• Electrodeposition coating (E-coat)
• 65 deg set screw angle for maximum locking power and greatly reduced set screw back-out
• Set screw with nylon-patch
• Machined steel
• 25% more load capacity
• Optimized bearing profiles
• Improved surface textures
• Super-clean, high-alloy bearing steel
• Material specification ASTM-A48 grade-30 cast-iron

Applications:

Power Generation, Mining, Cement, Pulp and Paper and Aggregate Industries

Standards/Approval:

• REACH Compliant

Bearing Material	Steel
Bolt Center-to-Center Length	2-7/8 in
Bolt Circle Diameter	3/8 in
Bore Diameter	1-1/4 in
Finish	Uncoated
Flange Mounting Type	4-Bolt Square
Load Capacity	3810 lb Dynamic/15760 lb Static
Locking Device	Double Set Screw Collar
Maximum Speed	4490 rpm
Overall Depth	2-3/4 in
Overall Height	3-3/4 in
Overall Length/Diameter	3-3/4 in
Temperature Rating	-54 to 250 deg F
Type	Flange Type E
Manufacturer	Timken®