Timken E-4BF-TRB-2 Four-Bolt Flange Block Bearing

Description:

The Timken E-4BF-TRB-2 is a Type E four-bolt square flange mounted tapered roller bearing unit with a 2.000-inch bore, engineered to provide dependable shaft support in heavy-duty industrial applications subjected to combined radial and thrust loads. This housed bearing unit combines a precision tapered roller bearing with a rugged cast iron four-bolt flange housing, delivering excellent load capacity, secure mounting, and long service life in demanding operating environments. It is widely used in conveyors, material handling systems, mining equipment, aggregate processing, agricultural machinery, fans, crushers, and industrial power transmission equipment. Maintenance teams, OEMs, and system integrators specify this mounted bearing for new installations, equipment replacement, retrofit projects, expansion, and preventive maintenance to maximize equipment reliability and reduce downtime.

Applications:

The Timken E-4BF-TRB-2 four-bolt square flange bearing is designed for machinery requiring rigid shaft support while accommodating both radial and axial loads. Its tapered roller bearing design delivers excellent load distribution, durability, and resistance to shock loading, while the four-bolt flange housing simplifies installation and alignment. Typical applications include belt conveyors, bucket elevators, mixers, crushers, fans, agricultural equipment, processing machinery, packaging systems, and other industrial rotating equipment.

Technical Specifications:

• Manufacturer Part Number (MPN): E-4BF-TRB-2
• Manufacturer: Timken
• Product Type: Four-Bolt Flange Mounted Bearing Unit
• Bearing Type: Type E Mounted Tapered Roller Bearing
• Housing Style: 4-Bolt Square Flange
• Shaft Size: 2.000 in (50.8 mm)
• Design Units: Inch (Imperial)
• Housing Material: Cast Iron
• Housing Coating: E-Coat
• Lubrication: Premium Industrial Grease
• Dimension B: 3.500 in (88.90 mm)
• Dimension L: 5.625 in (142.88 mm)
• Dimension A: 3.094 in (78.58 mm)
• Dimension J: 4.375 in (111.13 mm)
• Bolt Diameter: 0.500 in (12.70 mm)
• Dynamic Load Rating (C90): 10,300 lbf
• Static Load Rating (C0): 43,000 lbf
• Maximum Permissible Thrust Load: 2,590 lbf
• Maximum Allowable Slip-Fit Radial Load: 8,400 lbf
• Maximum Speed: 3,050 rpm
• K Factor: 1.83
• Weight: Approximately 12 lb (5.44 kg)
• Typical Applications: Conveyors, mining equipment, crushers, agricultural machinery, fans, mixers, material handling equipment, and industrial power transmission systems.

Common Replacements:

• Timken E-4BF-TRB-2-ECC
• Dodge Type E 2 in Four-Bolt Flange Bearing
• SKF Type E Four-Bolt Flange Bearing (2 in Bore)