Home /Products/Mining and Ocean Power/DEUTZ MWM TBG620 V16(6002)standard-size main bearing manufactured 12420022

DEUTZ MWM TBG620 V16(6002)standard-size main bearing manufactured 12420022

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DEUTZ MWM TBG620 V16(6002)standard-size main bearing manufactured 12420022
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Features
Specifications
Fitting Clearance: 0.18–0.25 Mm (standard). Too Small Clearance May Cause Bearing Seizure, While Excessive Clearance Will Lead To Vibration And Oil Leakage.
Installation Direction: Place The Side With Oil Grooves Towards The Crankshaft, And Align The Locating Tabs Of Upper And Lower Shells To Avoid Displacement.
Common Failures: Alloy Layer Peeling, Bearing Seizure And Excessive Wear. Inspect The Roundness And Surface Roughness Of The Crankshaft Journal During Replacement.
Lubrication Requirement: Use Original MWM SAE 40 Special Engine Oil For Gas Engines. Normal Oil Pressure: 4–6 Bar.
Basic Infomation
Place of Origin: Germany
Brand Name: MWM DEUTZ
Model Number: 12420022
Payment & Shipping Terms
Packaging Details: Original packaging
Delivery Time: 15days
Payment Terms: T/T
Supply Ability: 9999
Product Description

Basic Information

  • Part Number: 12420022
  • Product: Standard size Main Bearing
  • Application: DEUTZ MWM TBG620 V16(6002), also compatible with TBG620 V12/V20 and TBD620 series diesel engines
  • Structure: A full set of upper and lower bearing shells
  • Material: Bimetallic construction with steel backing and babbitt alloy layer, featuring excellent wear resistance and impact resistance
  • Journal Diameter: φ170 mm

Function & Application

It supports the crankshaft, reduces friction and withstands combustion impact loads. Widely used in CHP, natural gas and biogas power generation units.

Recommended replacement interval: 8000 - 10000 operating hours during major overhaul.

Related Parts

  • 12420020: Alternative standard main bearing
  • 12420024: Connecting rod big end bearing

Installation & Maintenance

  • Standard clearance: 0.18–0.25 mm
  • Installation: Install the oil groove side towards the crankshaft, align positioning tabs correctly
  • Lubrication: Use dedicated SAE 40 engine oil. Normal oil pressure: 4–6 bar
  • Common issues: Alloy layer peeling, bearing seizure and excessive wear. Inspect crankshaft journal condition when replacement is needed.

    Ordering Notice

    Please verify the engine model TBG620 V16(6002) before purchase. Distinguish main bearing 12420022 from connecting rod bearing 12420024. Original parts are marked with MWM laser logo.
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