Product Description
Up for sale is a genuine Caterpillar 4W-5700 Engine Main Bearing. This internal engine component provides the bearing surface that supports and positions the crankshaft within the engine block while allowing smooth crankshaft rotation under operating loads. The 4W-5700 is a 41.65 mm-wide main bearing and is specifically configured with a standard inside diameter and approximately 0.63 mm / 0.025-inch oversize outside diameter, making correct bearing-size verification important before installation.
- Item is in new old stock condition, bearing may have minor surface rust.
Features & Specifications
- Brand: Caterpillar / CAT
- Part Number: 4W-5700 / 4W5700
- NSN: 3120-01-321-3736
- Item: Engine Main Bearing
- Type: Crankshaft Main Bearing
- Bearing Width: 41.65 mm / 1.64"
- Sizing: Standard ID / 0.63 mm (0.025") Oversize OD
- Construction: Steel-backed bearing
- Bearing Materials: Steel-backed aluminum / steel-backed copper-lead / copper alloy
- CAT Listed Length: 6.0" / 152.4 mm
- CAT Listed Width: 144.78 mm / 5.70"
- CAT Listed Height: 3.6" / 91.44 mm
Compatibility
CAT's official catalog lists a very broad application range, including:
- 3406 / 3406B / 3406C / 3406E
- 3408 / 3408B / 3408C
- 3412 / 3412C / 3412D / 3412E
- C15 / C-15
- C16 / C-16
- C18 / C-18
- C27
- C30
- C32
A2-5
