Bearing Set, Main – STD – 156-6977

Looking up the correct bearing set, main – std starts with the exact catalog number. This product is listed as 156-6977 and is associated with the Komatsu engine/application data below. Use both the number and the full application designation when checking fitment.

Komatsu Fitment Overview

Catalog data currently associates this product with 4 listed Komatsu engine/application references. Examples include N855-1, NH220-C1, NT855-1, with the complete list provided below.

Compatible Engines / Applications

• N855-1
• NH220-C1
• NT855-1
• NTA855-1

Product Details

• Item: Bearing Set, Main – STD
• Part Number: 156-6977
• Brand / Application Reference: Komatsu
• Catalog Specification: STD specification, Set
• Listed Applications: 4

Service and Replacement Notes

Bearing and main-metal selection depends on the exact engine application and the size or service specification stated in the item name. STD, undersize, oversize, pair, and set references should be matched exactly to the repair requirement. Do not substitute a different size or configuration based only on a similar part description.

Before Ordering

To reduce returns and fitment errors, verify the exact catalog number 156-6977 and your complete engine or equipment identification before ordering. Pay particular attention to suffixes and grouped model designations.