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Main bearings STD wbk 9061981

WBK STD main bearings 9061981 – durable and precise engine components ensuring reliable crankshaft operation in machines and vehicles.

  • Condition: used
  • SKU: 61836
Ocena 4,8

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Product description

Main Bearings STD – reliable crankshaft protection

The STD main bearings with catalog number 9061981 by WBK are high-quality engine components designed to ensure smooth crankshaft operation and minimize friction. Their precise construction provides stability and extends the service life of the entire crankshaft system.

Description

The bearings are made of durable multilayer alloys resistant to dynamic loads, high temperatures, and heavy-duty use. Their design maintains a proper oil film, preventing metal-to-metal contact. WBK STD main bearings are characterized by excellent fatigue strength, low friction coefficient, and precise fit, which are crucial for stable crankshaft operation in demanding conditions.

Technical data

  • Inner diameter: standard STD dimension
  • Material: multilayer bearing alloy
  • Temperature resistance: up to 250°C
  • Tolerance range: micrometric fit
  • Mounting type: standard fit

Application

WBK STD main bearings are used in diesel and gasoline engines of construction machinery, industrial units, and heavy-duty vehicles. They are ideal for engines operating under harsh conditions where maximum reliability and crankshaft protection are required. Using original bearings ensures engine stability, reduces failure risk, and lowers service costs.

Properties

  • High resistance to wear and dynamic loads
  • Excellent thermal conductivity
  • Stable oil film retention
  • Precise crankshaft fit
  • Easy installation

Specification

Specification Value
name Main bearings STD
mark wbk
part number 9061981
condition used
inner diameter STD
material multilayer bearing alloy
thermal resistance up to 250°C
tolerance micrometric
mounting type standard fit

Reference numbers

List of reviews:

Adrian

2025-09-26

Tomasz

2025-09-25

Edward

2025-09-15

Emil

2025-05-14

Write a review.

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