3920 bearing cup for 12-16K brake drum

Product description: This is 3920 bearing cup/race Matching 3984 bearing cone.

Key Specifications:

• Bearing Type: 3920
• Matching Cone: 3984
• Axle Capacity: Designed for 12000-16000 lb trailer axles
• Compatible Brake Drum: Matches 12000 lb–16000 lb brake drum.
• Outer Diameter: 3.438″ – precision machined for accurate shaft fit
• Material: High-grade bearing steel, through-hardened for exceptional durability and fatigue resistance
• Finish: F20-1 Thin-layer rust-preventive oil

Applications
This 3920 bearing cup is widely used in heavy-duty utility trailers, boat trailers, car haulers, and commercial equipment trailers equipped with 10000 lb axles. When paired with the 3984 bearing cone, it delivers precise rotation, reduced friction, and dependable performance within 12000-16000 lb brake drum hubs.