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Caterpillar 421-4378 Hydraulic Final Drive Motor
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Caterpillar Hydraulic Final Drive Motor
Caterpillar 421-4378 Bearing SPECIFICATIONS
- Caterpillar
421-4378
- 128759
- 3.8906 in
- Standard Duty
- 0.9375 in
- Lubrication Fitting
- Uncoated
- Round
- Cast Iron
China Caterpillar Hydraulic Final Drive Motor Supplier
China Caterpillar Hydraulic Final Drive Motor SupplierChina
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China Caterpillar Hydraulic Final Drive Motor Supplier2020-07-10 09:46:19
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Product Details
- 128759
- 3.8906 in
- Standard Duty
- 0.9375 in
- Lubrication Fitting
- Uncoated
- Round
- Cast Iron
- 1769 lb
- Two-Bolt Flange
Caterpillar 421-4378 Product Description
Caterpillar 421-4378 bearing Size Chart (mm/inches) | |
---|---|
d | 40 mm |
horizontal bolt spacing: | 50 mm |
bore type: | Round |
vertical bolt spacing: | 41 mm |
duty type: | Standard Duty |
shaft centerline height: | 60 mm |
mounting type: | Three-Bolt Bracket Style |
hub diameter: | 100 mm |
housing material: | Cast Iron - Nickel Protection |
bracket width: | 78 mm |
locking device: | Set Screw |
unit standoff: | 51.2 mm |
radial dynamic load capacity: | 2990 kgf |
bolt size: | M10 |
radial static load capacity: | 1830 kgf |
lubrication type: | Lubrication Fitting |
seal type: | Contact with Flinger |
series: | UCFK200NP |
length through bore: | 49.2 mm |
replacement bearing: | UC208 |
Caterpillar 421-4378 INTERCHANGE
Caterpillar Hydraulic Final Drive Motor Part series 421-4378 is a potential replacement for these common bearing part numbers:
421-4378
421-4378
421-4378
421-4378
421-4378
421-4378
421-4378
421-4378
Contact Us

- China Caterpillar Hydraulic Final Drive Motor Supplier
- Address6-2-51 Pikusuikujo, Chiraishi-Su, Sporo-shi, Mokkaido 011-4711, Japan
- Phone(Working Time)+81-32-528-2714
- Fax
Caterpillar 421-4378 Technical Articles
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How do you control pump pressure? |
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