WaukeshaBEARING; FRONT161309C

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WaukeshaBEARING; FRONT161309C
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Features
Specifications
Matching Standard Crankshaft Journal Diameter: 2.750 In / 69.85 Mm
Bearing Inner Diameter (assembled Standard): 2.750" (69.85 Mm)
Bearing Outer Diameter (block Bore Fit): 3.0625" (77.7875 Mm)
Single Shell Axial Width:: 2.125" (53.975 Mm)
Standard Single-side Wall Thickness:: 0.15625" (3.969 Mm)
Overall Outer Diameter Of Thrust Flange:: 3.625" (92.075 Mm)
Single-side Thrust Face Thickness: 0.1875" (4.7625 Mm)
Standard Assembly Clearance: 0.003–0.006 In (0.076–0.152 Mm)
Basic Infomation
Place of Origin: USA
Brand Name: Waukesha
Model Number: 161309C
Payment & Shipping Terms
Packaging Details: Original packaging
Delivery Time: 15WDS
Payment Terms: Western Union,T/T,D/P,D/A
Supply Ability: 9999
Product Description

Full Product Specifications: Waukesha BEARING FRONT 161309C

1. Basic Product Overview

  1. Full Part Name: Waukesha 161309C Front Main Bearing
  2. Product Type: Front crankshaft main bearing (1st main journal) with integrated thrust flange for axial load resistance
  3. Brand Clarification:
    • Waukesha Engine: OEM genuine spare part for Waukesha gas/diesel engines. This component is an engine bearing, not the fluid processing bearings from Waukesha Bearings.
    • FRONT: Denotes the bearing fitted at the front end of the crankshaft, with one-piece integrated thrust axial load function.
  4. Suffix "C" Definition: STD standard size (no undersized/oversized machining allowance, standard stock wall thickness 0.000").

2. Material Standard (OEM Standard Construction)

  • Backing Layer: Low carbon steel
  • Anti-friction Surface: Multi-layer sprayed tin-lead Babbitt alloy
  • Structure: Split two-piece bearing shell with positioning tang on one side, integrally cast thrust flange face
  • Temperature Resistance: Continuous operating temperature ≤135°C, instantaneous peak temperature 160°C; compatible with gas/diesel engine oil lubrication.

3. Core Dimension Parameters (Inch + Metric Conversion)

Matching standard crankshaft journal diameter: 2.750 in / 69.85 mm
  1. Bearing Inner Diameter (assembled standard): 2.750" (69.85 mm)
  2. Bearing Outer Diameter (block bore fit): 3.0625" (77.7875 mm)
  3. Single shell axial width: 2.125" (53.975 mm)
  4. Standard single-side wall thickness: 0.15625" (3.969 mm)
  5. Overall outer diameter of thrust flange: 3.625" (92.075 mm)
  6. Single-side thrust face thickness: 0.1875" (4.7625 mm)
  7. Standard assembly clearance: 0.003–0.006 in (0.076–0.152 mm)

4. Compatible Waukesha Engine Models

  1. F265 / F265GA / F265LPA gas generator sets
  2. 190GL / 190GLB / 190DSB / 190DLB industrial gas & diesel engines
  3. G265 generator sets, oilfield fracturing equipment, biogas power generation complete Waukesha units
  4. Interchangeable part numbers for the same series: 161309 (base part), 161309C (STD standard size); undersized repair part suffixes: 161309-010, 161309-020

5. Performance & Operating Condition Parameters

  1. Rated Load Capacity: Max static radial load 12500 lbf (55.6 kN); axial thrust load 4200 lbf (18.7 kN)
  2. Applicable Rotation Speed: Idle speed 600 rpm ~ rated speed 2200 rpm
  3. Lubrication Requirement: Industrial SAE 15W-40 / SAE 30 engine oil, oil pressure 0.28–0.42 MPa
  4. Wear Limit: Replace immediately when shell wall wear loss ≥0.008 in (0.2 mm); maximum allowable thrust face clearance 0.015 in

6. Key Assembly Specifications

  1. Bearing Free Spread: Unassembled inner diameter is 0.004~0.007 in larger than block bore to ensure full contact and heat dissipation
  2. Positioning Tang Alignment: Align tang with the oil supply slot in the crankcase, oil groove facing the engine internal lubrication gallery
  3. Main Cap Bolt Torque: 190–210 ft-lb (258–285 N·m)
  4. Complete Set Description: 161309C is a single front thrust main bearing shell. Full main bearing kit part number: OP2103 (5-piece complete main bearing set including 161309C front bearing)

7. Supplementary Remarks

  1. Distinguish Confusing Similar Parts: Waukesha Cherry-Burrell pump front bearings do not use part number 161309C; PN 161309C exclusively applies to Waukesha internal combustion engine main bearings.
  2. Order Identification Guide: C = STD standard size; suffix -10 = 0.010" undersize, -20 = 0.020" undersize repair bearings
  3. Aftermarket Equivalent Part Numbers: Oliver 2103, Sealed Power 4010M, Pioneer 51309C
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