Gearbox duo-cone seals kit for YANMAR B12
YANMAR B12 gearbox duo-cone seal
A high-quality seal is a complete set to prevent oil leaks at the connection point of the reduction gear flange and the travel final drive. The kit consists of a metal ring, a rubber O-ring and a brown ring. The metal ring together with the outer race of the bearing form the so-called sliding seal that allows the component to rotate and its tightness. The rubber O-ring prevents oil leakage on the housing side and acts as a shock absorber to prevent damage to the ring under stress
Sealing Features:
- It prevents oil leaks from the reduction gear
- It eliminates the oblique stresses
- Reduces final drive friction
- Extends the service life of the bearings (Life-Time)
Technical data:
- Sealing dimensions: 143 x 157 x 21.5 mm (internal dimension / external dimension / height)
- Catalog number: 172137-70781
- Fits models: B12, B14, B17, YB121, YB151
- Ring material: forged steel
- Ring hardness: 60-65 HRC
- O-ring material: NBR75
- Abrasion resistance: high
- Rust resistance: medium
Producer
Product code
172137-70781
Brand
YANMAR
Model
B12
Seal size
143 mm internal diameter
, 157 mm external diameter
, 21,5 mm thickness
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