Description:

Koyo/JTEKT Trailer Axle Bearing Kit – Fits Most 7,000 lb Trailer Axles

Brand: Koyo / JTEKT
Country of Origin: Japan
Bearing Type: Single Row Tapered Roller Bearings
Precision: Standard Precision
Application: Trailer Axle Bearing Kit
Fits: Most 7,000 lb trailer axles

Kit Includes

Inner Bearing Cone: 25580 x 1 pc
Inner Bearing Race/Cup: 25520 x 1 pc
Outer Bearing Cone: 14125A x 1 pc
Outer Bearing Race/Cup: 14276 x 1 pc

Seal: 412920 x 1 pc

Inner Bearing Set: 25580/25520 Koyo/JTEKT:

Item Number: 25580/25520 Koyo/JTEKT
Also Known As: 25580/520, 25580-20024 / 25520-20024, 25580-99401, SET52
Category: Single Row Tapered Roller Bearing

Inner Diameter: 44.45 mm / 1.7500 in
Outer Diameter: 82.93 mm / 3.2650 in
Width: 23.81 mm / 0.9375 in
Weight: 0.55 kg

Outer Bearing Set: 14125A/14276 Koyo/JTEKT:

Item Number: 14125A/14276 Koyo/JTEKT
Also Known As: 14125A/276
Category: Single Row Tapered Roller Bearing

Inner Diameter: 31.75 mm / 1.2500 in
Outer Diameter: 69.01 mm / 2.7170 in
Width: 19.58 mm / 0.7710 in
Weight: 0.35 kg

Seal 412920 National:

Brand: National® Oil Seals & Bearings

Item Number: 412920

Product Type: Oil Seal / Shaft Seal

Design Type: Spring Loaded, Multi-Lip

Material: Nitrile

Sealing Material: Nitrile

Type: 41

Redicoat: Yes

Temperature Range: -40°F to 225°F / -40°C to 107°C

Housing Bore: 3.371 in / 85.620 mm

Inside Diameter: 2.250 in / 57.150 mm

Shaft Diameter: 2.250 in / 57.150 mm

Outside Diameter: 3.376 in / 85.750 mm

Thickness: 0.375 in / 9.530 mm

Width: 0.375 in / 9.530 mm

OEM / Interchange Numbers:
07041074, 07041706, 07046888, 4000015, 8065485, A11151, A30639, A32275X, AT36255, B21479, C0NNA734A, D53767, U14488

Features & Benefits:
• Spring-loaded, multi-lip design
• Good low-temperature capability
• Low swell in hydrocarbon fluids
• Designed to deliver reliable sealing performance
• Suitable for wheel end and general repair applications
• Built for quality and dependable performance in demanding service conditions

Product Description:
National® Oil Seals & Bearings is one of the most respected names in the sealing and wheel end industry, with more than 75 years of experience providing premium sealing solutions.

The National 412920 is a nitrile oil seal designed with a spring-loaded, multi-lip configuration for dependable sealing performance. Its nitrile construction offers good low-temperature capability and low swell in hydrocarbon fluids, making it suitable for a wide range of repair and replacement applications.