The Meritor rear hub assembly, part number 04-15981-020 or 0415981020, is a unitized, hub-only unit built for TL-series trailer axles with a 20,000 lb. GAWR rating. The hub runs a cartridge bearing setup compatible with SKF BTH-0037 or Timken 9904-1074 cartridge bearings, which cover the inner cone, outer cone, inner cup, outer cup, and oil seal positions. The 10-bolt drum and wheel stud pattern sits on an 11.25 in. bolt circle diameter, with a drum pilot diameter of 8.778/8.775 in. and a wheel pilot diameter of 8.653/8.646 in. The flange outer diameter measures 13.00 in., and the ABS pilot diameter is 6.503/6.50 in. Hub cap mounting uses a 6-bolt, 06-pattern circle at 6.375 in. diameter with 5/16-18 UNC-2B thread. Wheel stud hole diameter is .904/.906 in., and the hub includes a tone ring. A genuine Meritor part sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
TL-series trailer axle application, hub-only unitized style
20,000 lb. GAWR rating
Cartridge bearing design compatible with SKF BTH-0037 or Timken 9904-1074
10-bolt drum and wheel stud pattern on 11.25 in. bolt circle diameter
ABS pilot diameter 6.503/6.50 in.; includes tone ring
Hub cap pattern 06, 6.375 in. bolt circle, 5/16-18 UNC-2B thread
Tech Specs
- Hub Type: Hub only
- Hub Style: Unitized
- Axle Application: Trailer
- Axle Series: TL
- GAWR: 20,000 lb.
- Brake Type: Drum
- Cartridge Bearing (SKF): BTH-0037
- Cartridge Bearing (Timken): 9904-1074
- Inner Cone / Outer Cone / Inner Cup / Outer Cup / Oil Seal: BTH-0037 (SKF) or 9904-1074 (Timken)
- Tone Ring: Yes
- Fully Dressed: No
- Drum Bolt Pattern: 10-bolt
- Drum Bolt Circle Diameter: 11.25 in.
- Drum Bolt Size: .904/.906 in.
- Drum Pilot Diameter: 8.778/8.775 in.
- Wheel Stud Pattern: 10-bolt
- Wheel Stud Bolt Circle Diameter: 11.25 in.
- Wheel Stud Hole: .904/.906 in.
- Wheel Stud: 09-001989
- Wheel Pilot Diameter: 8.653/8.646 in.
- Flange Outer Diameter: 13.00 in.
- ABS Pilot Diameter: 6.503/6.50 in.
- Hub Cap Pattern: 06
- Hub Cap Bolt Circle Diameter: 6.375 in.
- Hub Cap Bolt Thread: 5/16-18 UNC-2B
- IBS to Mounting Face: Cartridge
- IBS to Outer Bearing Surface: Cartridge
- IBS to OBS: Cartridge
- Base Part Number: 15981
- VMRS Code: 018-002-001
