Timken 7408W SU Angular Contact Ball Bearings

Description:

The Timken Fafnir 7408W SU bearing is a single row angular contact ball bearing designed to support combined radial and axial loads in high-speed industrial rotating equipment. Commonly installed in machine tool spindles, industrial gearboxes, pumps, compressors, electric motors, and precision manufacturing equipment where accurate shaft positioning and high-speed performance are essential. Maintenance teams, OEMs, and system integrators use this bearing for equipment repairs, bearing replacements, retrofit projects, and preventive maintenance to maximize equipment reliability and bearing service life.

Applications:

The Timken Fafnir 7408W SU bearing is engineered for demanding industrial applications requiring high thrust capacity, smooth operation, and precise shaft guidance. Its 40° contact angle, one-piece steel cage, and universal mounting design make it suitable for machine tool spindles, industrial drives, pumps, compressors, electric motors, and other high-speed rotating equipment operating under combined radial and axial loading conditions.

Technical Specifications:

• Manufacturer Part Number (MPN): 7408W SU
• Manufacturer: Timken Fafnir
• Product Type: Angular Contact Ball Bearing
• Bearing Type: Single Row Angular Contact Ball Bearing
• Series: 7400W Series
• Contact Angle: 40°
• Design Units: Metric
• Bore Diameter (d): 40 mm
• Outside Diameter (D): 110 mm
• Width (C): 27 mm
• Dynamic Radial Load Rating (C1): 22,400 lbf (99,500 N)
• Static Radial Load Rating (C0): 12,700 lbf (56,400 N)
• Limiting Speed (Grease): 2,700 rpm
• Limiting Speed (Oil): 4,000 rpm
• Cage Type: One-Piece Steel Cage
• Ball Material: Steel
• Maximum Shaft Fillet Radius: 0.079 in (2.0 mm)
• Shaft Backing Shoulder Diameter: 1.970 in (50.00 mm)
• Housing Backing Shoulder Diameter: 3.940 in (100.10 mm)
• Universal Mounting: Yes (SU)
• Typical Applications: Machine tool spindles, industrial gearboxes, pumps, compressors, electric motors, precision manufacturing equipment

Common Replacements:

• SKF 7408 BECBM
• NSK 7408AW
• NTN 7408U