KOYO (JTEKT) 51117 Thrust Ball Bearing (Single Direction) – 85x110x19 mm

Item Details

·         Brand: KOYO (JTEKT)

·         Part Number: 51117

·         Bearing Type: Thrust Ball Bearing – Single Direction (One-Way Axial)

·         Design: Axial deep groove ball thrust bearing (open design), non-self-aligning (flat seat)

·         Cage: Steel cage (standard type)

·         Precision: Standard (P0 / PN2 / ABEC 1)

·         HS / Customs Tariff Code: 8482 1090

·         Product ID: 10292301

Dimensions

·         Bore / Inner Diameter (d): 85 mm (3.3465 in)

·         Outer Diameter (D): 110 mm (4.3307 in)

·         Width (B): 19 mm (0.748 in)

Weight

·         Weight: 0.441 kg Key Features

·         Axial load capacity in ONE direction only (locks/locates a shaft in one direction)

·         High-speed capable thrust ball design

·         Separable / easy to install: shaft washer + housing washer + ball & cage assembly can be mounted individually

·         Open bearing (no seals/shields) – lubrication is supplied by the application

·         Not suitable for radial loads (do not use for side/radial force)

Installation Notes

·         Do not mix up shaft washer vs. housing washer during assembly

·         Flat seat / non-angle adjustable: cannot compensate for misalignment between shaft and housing

·         If misalignment is expected, consider a self-aligning thrust bearing or an alternate bearing arrangement.

Common Applications (Typical Uses)

·         Gearboxes, reducers, and transmissions (shaft thrust positioning)

·         Pumps and compressors (one-direction thrust support)

·         Electric motors / industrial drives (axial location, thrust control)

·         Machine tools, screw drives, and general industrial machinery where axial load occurs in one direction

PACKAGE INCLUDES: ONE (1) KOYO Bearing 51117