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HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsOther Seals3B-9378: 123.95mm Outer Diameter Lip Type Seal
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Hardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsOther Seals
3B-9378: 123.95mm Outer Diameter Lip Type Seal
3B-9378: 123.95mm Outer Diameter Lip Type Seal

Cat® 12.7mm Thick Lip Type Seal for Brake Shaft

Brand: Cat

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3B-9378: 123.95mm Outer Diameter Lip Type Seal
3B-9378: 123.95mm Outer Diameter Lip Type Seal
3B-9378: 123.95mm Outer Diameter Lip Type Seal
3B-9378: 123.95mm Outer Diameter Lip Type Seal
3B-9378: 123.95mm Outer Diameter Lip Type Seal

Cat® 12.7mm Thick Lip Type Seal for Brake Shaft

Brand: Cat

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Description
Description

Lip type seals are used in rotating applications to retain oil in the machine, and to protect the machine against external contamination. Specialized designs provide long, reliable seal life and provide additional protection in the most extreme environments.

Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Lip type seals are used in rotating applications to retain oil in the machine, and to protect the machine against external contamination. Specialized designs provide long, reliable seal life and provide additional protection in the most extreme environments.

Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications
Specifications
Units of MeasureUSMetric
Outside Diameter (in): 4.881
Outside Diameter (mm): 123.98
Primary Sealing Material: NBR (Nitrile)
Seal Type: Lip Type
Shaft Diameter (in): 3.875
Shaft Diameter (mm): 98.42
Style: SBI
Width (in): 0.500
Width (mm): 12.70
Material: Nitrile / NBR / HNBR / XNBR Rubber,Plastic Plastic
Units of MeasureUSMetric
Outside Diameter (in): 4.881
Outside Diameter (mm): 123.98
Primary Sealing Material: NBR (Nitrile)
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Compatible Models
Compatible Models
Forwarder
574
Articulated Truck
D44BD550B
Wheel Scraper
613613B
Track Loader
977H
Soil Compactor
825C
Tractor
768C768B
Bulldozer
977A
Wheel Dozer
824C834B
Landfill Compactor
826C836
Wheel Loader
988B966G992D972G980C992C980G980G II
View More
Forwarder
574
Warranty Information
Return Policy
Parts diagram for 3B-9378
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DiagramDescriptionSpecificationsCompatible Models
Parts diagram for 3B-9378
View Detailed Parts Diagrams
Add Your Equipment
Description for part number 3B-9378

Lip type seals are used in rotating applications to retain oil in the machine, and to protect the machine against external contamination. Specialized designs provide long, reliable seal life and provide additional protection in the most extreme environments.

View More
Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications for part number 3B-9378

Units of Measure

USMetric
Outside Diameter (in): 4.881
Outside Diameter (mm): 123.98
Primary Sealing Material: NBR (Nitrile)
Seal Type: Lip Type
Shaft Diameter (in): 3.875
Shaft Diameter (mm): 98.42
Style: SBI
Width (in): 0.500
Width (mm): 12.70
Material: Nitrile / NBR / HNBR / XNBR Rubber,Plastic Plastic
View More
Compatible Models for part number 3B-9378

FORWARDER

574

ARTICULATED TRUCK

D44B D550B

WHEEL SCRAPER

613 613B

TRACK LOADER

977H

SOIL COMPACTOR

825C

TRACTOR

768C 768B

BULLDOZER

977A

WHEEL DOZER

824C 834B

LANDFILL COMPACTOR

826C 836

WHEEL LOADER

988B 966G 992D 972G 980C 992C 980G 980G II

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KeyKey
Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced

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