JLM104948/JLM104910 Tapered Roller Bearing Set

Optimized Drivetrain Stability: Engineered to expertly manage combined axial and radial forces inherent in automotive transmissions.
Premium Steel Matrix: Utilizes top-tier bearing steel to resist fatigue and ensure maximum operational longevity under load.
Friction Reduction Technology: Micro-finished raceways significantly lower operating heat, protecting transmission fluid integrity.
Strict Quality Compliance: Manufactured to exacting ISO/ABMA standards to ensure perfect drop-in OEM interchangeability.

Product Specifications

Specification	Details
Item Type	Tapered Roller Bearing Set
Model Number	JLM104948 / JLM104910
Bearing Design	Single Row Tapered
Material	GCr15 / SAE 52100 Bearing Steel
Cage Material	High-Strength Stamped Steel

Product Introduction

The JLM104948/JLM104910 is a widely specified metric-profile tapered roller bearing, heavily trusted across the global automotive and light industrial sectors. With exact dimensions of 50 x 82 x 21.5 mm, this assembly is critical for maintaining stability in passenger vehicle transmissions, differential pinions, and light trailer axles. At our state-of-the-art manufacturing facility, we elevate the standard for this high-demand component. Through advanced metallographic control and precision automated grinding, followed by stringent final QA inspections, we guarantee an immaculate roller-to-raceway contact profile. This commitment to premium manufacturing ensures that our wholesale partners deliver a replacement bearing that completely eradicates gear whine and withstands immense high-speed thermal stress.

Applications

Automotive manual and automatic transmissions.
Light to medium-duty differential pinions and rear axles.
Agricultural implements and industrial gearboxes.

Equivalent Models

JLM104948/10

Cross Reference

Timken: JLM104948-JLM104910
SKF: JLM 104948/910

FAQ

Q: Does the "J" prefix indicate a specific standard?
A: Yes, the "J" prefix generally indicates that the bearing is manufactured to ABMA metric standards, ensuring specific dimensional and tolerance profiles.
Q: Must I set the preload on this bearing during installation?
A: Yes, when used in opposing pairs (like in a differential), proper rolling torque/preload must be established according to the vehicle's OEM service manual.

OEM & Custom Service

We provide fully integrated B2B supply solutions, offering custom retail box design for your aftermarket brand, precision part number laser marking, and flexible bulk manufacturing capabilities to support large catalog expansions.

Packing & Delivery

Protected with specialized anti-corrosive fluids and vacuum-sealed packaging, these bearings are packed in robust export cartons. Our logistics network ensures seamless maritime and air freight routing for prompt global inventory replenishment.