TIMKEN L521949 TAPERED ROLLER BEARING
Quick Overview
Manufactured By: TIMKEN
Manufacturer Part Number: L521949
IMS Product Code: 2144831
Packaging: Sold Individually
Description:
Timken L521949 Tapered Roller Bearing
Tapered roller bearing with 4-1/4" inside diameter, part of the L521900 series.
Specifications
- Series: L521900
- Cone Part Number: L521949
- Design Units: Imperial
- Cage Type: Stamped Steel
- Cone Bore (d): 4 1/4 in / 107.95 mm
- Cone Width (B): 0.8438 in / 21.43 mm
- C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions): 34800 lbf / 155,000 N
- C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions): 9020 lbf / 40,100 N
- R - Cone Backface "To Clear" Radius: 0.06 in
- da - Cone Frontface Backing Diameter: 4.49 in
- db - Cone Backface Backing Diameter: 4.57 in
- Ab - Cage-Cone Frontface Clearance: 0.1 in
- Aa - Cage-Cone Backface Clearance: 0.01 in
- a - Effective Center Location: 0.19 in
- C90 - Dynamic Radial Rating (90 million revolutions): 5180 lbf
- C1 - Dynamic Radial Rating (1 million revolutions): 20000 lbf
- C0 - Static Radial Rating: 39400 lbf
- Ca90 - Dynamic Thrust Rating (90 million revolutions): 3480 lbf
- K - Factor: 1.49
- G1 - Heat Generation Factor (Roller-Raceway): 152
- G2 - Heat Generation Factor (Rib-Roller End): 108
- Cg - Geometry Factor: 0.135
New - Open Box:
A new, unused item with no signs of wear. The item has its original packaging but it is not sealed.
Availability: 1 In Stock
Ships on Monday, November 24, 2025
Emergency after hours shipping may be available.
Call (888) 437-6645 for more information.

