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1B4102 Bearing-Ball Fits Caterpillar Models
1B4102 Bearing-Ball Fits Caterpillar Models
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$250.00 CAD
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One New Aftermarket Replacement Angular Contact Ball Bearing for Caterpillar (Cat) Construction Equipment
This aftermarket replacement angular contact ball bearing (OEM part number 1B4102 / 1B-4102) is a precision drivetrain and powertrain bearing used in a range of Caterpillar track-type tractors and loaders. Angular contact ball bearings handle combined radial and axial loads, making them common in transmission, final drive, and winch assemblies on this equipment.
Specifications
- Bearing Type: Angular Contact Ball Bearing
- Inner Diameter (ID): 70 mm
- Outer Diameter (OD): 125 mm
- Width (WD): 24 mm
- Approximate Dimensions: 6.3 x 6.3 x 1.18 in.
- Approximate Weight: 2.5 lbs.
Compatible Models
Caterpillar Track-Type Tractors: D4D, D4E, D4E SR
Caterpillar Track-Type Loaders: 941, 951B, 955C, 955H, 955K, 955L
Caterpillar Pipelayers / Utility Equipment: 55, 57, 58
Replaces Part Number(s):
1B4102, 1B-4102
New aftermarket replacement part - not remanufactured, not used.



