7E-7153 Camshaft bushing CAT engine spare part

7E-7153 Camshaft bushing CAT engine spare part Featured Image
  • 7E-7153 Camshaft bushing CAT engine spare part
  • 7E-7153 Camshaft bushing CAT engine spare part

Short Description:

Part No.7E-6814, CAT engine valve camshaft for 35 series high-power diesel engine, one-piece long shaft, controls intake and exhaust valve timing of single cylinder bank, overhaul spare part for mining trucks, marine engines and generator sets.


Product Detail

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description

This 7E-7153 is independent supporting journal for camshaft. It runs inside camshaft bushing as rotary contact surface and bears cyclic radial load to keep camshaft position stable. It is made of high-grade alloy steel with surface hardening and precision grinding, tight tolerance for roundness and cylindricity. It resists scoring and abrasion, widely used on 35 series engine for mining truck, marine engine and generator set. Bushes and thrust washers are recommended to be replaced together during overhaul.

Part No.：7E-7153
Name：CAT camshaft journal
Matching part：Camshaft bushing
Height (mm): 237.49
Width (mm): 217.17
Length (mm): 223.52
Material: Low Alloy Steel
Surface treatment：Surface hardening, precision OD grinding
Function：Camshaft radial support, carry radial load

Advantages

1. Precision ground outer diameter, stable clearance and low running friction
2. Hardened surface, good anti-scuffing and wear resistance under heavy load
3. Strict geometric tolerance to guarantee camshaft coaxiality
4. Separate spare part, no need to replace whole camshaft if journal is damaged, save cost

FAQ 

Q1：Can worn 7E-7153 journal be reused after grinding?
A：Not recommended. Grinding will remove hardened layer and lead to rapid wear.

Q2：What faults will damaged journal cause?
A：Camshaft noise, excessive radial runout, timing shift and bushing seizure.

Q3：Must bushing be replaced together with journal?
A：Recommended, journal and bushing are mating friction pair.

Q4：Is this journal interchangeable with other camshaft journals?
A：No. OD, width and locating dimension are unique for matched 35 series engine.

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