Description

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

Thrust Ball Bearing - 51400 Series

51400 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

Automobile steering pivots and machine tool spindles.

Specifications

AIMS SKU A0153659

Brand Koyo

Model Number 51406/KOYO

Boundary Dimension (mm) T2 33

Limiting Speed (min-1) Oil Lub 3400

Limiting Speed (min-1) Grease Lub 2200

Dimension (mm) C 9

Dimension (mm) R 56

Dimension (mm) A 20

Dimension (mm) D3 75

Dimension (mm) D2 50

Dimension (mm) D1 Max. 32

Basic Load Rating (kn)c0a 126

Basic Load Rating (kn) Ca 91

Bore Diameter x Outer Diameter x Width (mm) 30 x 70 x 28

Boundary Dimension (mm) T1 30.1

Bearing Width T (mm) 28

Boundary Dimension (mm) r min. 1

Mounting Dimension (mm) Ra Max. 1

Mounting Dimension (mm) Da Max. 46

Mounting Dimension (mm) Da Min. 54

Fatigue Load Limit (kN) Cu 5.7

Outside Diameter D (mm) 70

Bore Diameter d (mm) 30

Type Ball Bearing
Series 51400 Series

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