Description

*** JTEKT (Formerly Koyo Brand) ***

Thrust Ball Bearing - 51100 Series

About Thrust Ball Bearing

Thrust ball bearings are divided into single and double direction types.
The former is able to accommodate axial load in one direction, while the latter is able to accommodate it in both directions.
Neither is suitable for applications that involve radial load or high-speed rotation.
Bearings whose housing race back face is spherical (with a spherical back face or aligning seat race) are designed with a self-aligning capability and can accommodate the effects of
inaccurate mounting.

Features of Ball Thrust Bearing

Consists of a row of balls running between two grooved washer rings.
The smaller bore ring is referred to as the shaft washer while the larger bore ring is called the housing washer.
The ring faces are always mounted parallel to the shaft centerline.
The housing washer is made with either a flat or spherical back face.
Thrust bearings with spherical faces and washers are self-aligning to compensate for mounting errors.
Cages can be pressed steel, copper alloy, and a synthetic resin molded or machined resin cage

Main Applications

Specifications

AIMS SKU A0153616

Brand Koyo

Model Number 51105/KOYO

Bore Diameter x Outer Diameter x Width (mm) 25 x 42 x 11

Bore Diameter d (mm) 25

Outside Diameter D (mm) 42

Fatigue Load Limit (kN) Cu 1.7

Mounting Dimension (mm) Da Min. 35

Mounting Dimension (mm) Da Max. 32

Mounting Dimension (mm) Ra Max. 0.6

Boundary Dimension (mm) r min. 0.6

Bearing Width T (mm) 11

Basic Load Rating (kn) Ca 24.4

Basic Load Rating (kn)c0a 37.2

Dimension (mm) D1 Max. 26

Limiting Speed (min-1) Grease Lub 4400

Limiting Speed (min-1) Oil Lub 6800

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