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HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings1J-2890: 6.99 x 227.96mm 75A NBR O-Ring
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Hardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings1J-2890: 6.99 x 227.96mm 75A NBR O-Ring
1J-2890: 6.99 x 227.96mm 75A NBR O-Ring

Cat® NBR O-Ring, 8.975" ID x 9.525" OD

Brand: Cat

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1J-2890: 6.99 x 227.96mm 75A NBR O-Ring
1J-2890: 6.99 x 227.96mm 75A NBR O-Ring
1J-2890: 6.99 x 227.96mm 75A NBR O-Ring
1J-2890: 6.99 x 227.96mm 75A NBR O-Ring
1J-2890: 6.99 x 227.96mm 75A NBR O-Ring

Cat® NBR O-Ring, 8.975" ID x 9.525" OD

Brand: Cat

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Description
Description

Description:
O-Rings are used in static sealing and some dynamic applications.

Attributes:
Cat® O-Rings are made from materials that are matched to the fluids, temperatures and pressures found in Cat engines and machines. The materials resist wear and extrusion, and provide superior resistance to seal compression set. In addition, certain Cat O-Rings are coated with PTFE to minimize seal twisting and cutting during seal installation.

Dimensions of our O-Rings are consistently held to tight tolerances to ensure they fit properly into seal grooves with the necessary seal compression.

With over 2500 O-Rings in different sizes and materials, Cat O-Rings are your best solution for your Cat and other mobile equipment O-Ring needs.

Cat Sealing systems protect more expensive parts from leaks and contamination. Protect your investment with Genuine Cat Seals.

Warning:This product can expose you to chemicals including 1,3-Butadiene, 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.

Description:
O-Rings are used in static sealing and some dynamic applications.

Attributes:
Cat® O-Rings are made from materials that are matched to the fluids, temperatures and pressures found in Cat engines and machines. The materials resist wear and extrusion, and provide superior resistance to seal compression set. In addition, certain Cat O-Rings are coated with PTFE to minimize seal twisting and cutting during seal installation.

Dimensions of our O-Rings are consistently held to tight tolerances to ensure they fit properly into seal grooves with the necessary seal compression.

With over 2500 O-Rings in different sizes and materials, Cat O-Rings are your best solution for your Cat and other mobile equipment O-Ring needs.

Cat Sealing systems protect more expensive parts from leaks and contamination. Protect your investment with Genuine Cat Seals.

Warning:This product can expose you to chemicals including 1,3-Butadiene, 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
Cross Section Diameter (mm): 6.99
Cross Section Diameter (in): 0.275
Inside Diameter (mm): 227.96
Inside Diameter (in): 8.975
Material: NBR - Nitrile,NBR (75),Nitrile (NBR),Nitrile / NBR / HNBR / XNBR Rubber
Polymer: NBR (Nitrile butadiene)
Material Hardness: 75A
Dash Size: 447
Units of MeasureUSMetric
Cross Section Diameter (mm): 6.99
Cross Section Diameter (in): 0.275
Inside Diameter (mm): 227.96
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Compatible Models
Compatible Models
Track-Type Tractor
D7RD7GD7HD10ND8RD8LD10RD8ND11ND10D11D11RD9LD11TD9N
Asphalt Paver
AP-650BBG-225C
Ripper
1110798
Marine Engine
D353ED353CD353DD375D
Pipelayer
572G578594H
Truck
793F AC793F CMD793F OEM793F XQ793D793C793F
Backhoe Loader
446D446B
Excavator
312D2311D LRR312D L312C312D313D2 GC311C312D2 L312C L313D2313D2 LGP
Off Highway Truck
793D793F793
Bulldozer
8S8U10C9C9U9S7SU11U7A10S7S7U10U11SU8SU7S LGP8A
Vibratory Compactor
CS-431CCP-433CCP-323CCS-323CCB-534CCB-534BCS-433CCB-535BCB-434BCB-434CCB-536D
Winch
59N59L58L57H575958
View More
Track-Type Tractor
D7RD7GD7HD10ND8RD8LD10RD8ND11ND10D11D11RD9LD11TD9N
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Parts diagram for 1J-2890
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Frequently bought together
1J-28901J-2890
9X-45909X-4590
3S-12233S-1223
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Frequently bought together
1J-2890
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9X-4590
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3S-1223
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or use our Contact Form
Contact Dealer
3T-7494
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5P-9217
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6P-7577
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DiagramDescriptionSpecificationsCompatible Models
Parts diagram for 1J-2890
View Detailed Parts Diagrams
Add Your Equipment
Description for part number 1J-2890

Description:
O-Rings are used in static sealing and some dynamic applications.

Attributes:
Cat® O-Rings are made from materials that are matched to the fluids, temperatures and pressures found in Cat engines and machines. The materials resist wear and extrusion, and provide superior resistance to seal compression set. In addition, certain Cat O-Rings are coated with PTFE to minimize seal twisting and cutting during seal installation.

Dimensions of our O-Rings are consistently held to tight tolerances to ensure they fit properly into seal grooves with the necessary seal compression.

With over 2500 O-Rings in different sizes and materials, Cat O-Rings are your best solution for your Cat and other mobile equipment O-Ring needs.

Cat Sealing systems protect more expensive parts from leaks and contamination. Protect your investment with Genuine Cat Seals.

View More
Warning:This product can expose you to chemicals including 1,3-Butadiene, 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 1J-2890

Units of Measure

USMetric
Cross Section Diameter (mm): 6.99
Cross Section Diameter (in): 0.275
Inside Diameter (mm): 227.96
Inside Diameter (in): 8.975
Material: NBR - Nitrile,NBR (75),Nitrile (NBR),Nitrile / NBR / HNBR / XNBR Rubber
Polymer: NBR (Nitrile butadiene)
Material Hardness: 75A
Dash Size: 447
View More
Compatible Models for part number 1J-2890

TRACK-TYPE TRACTOR

D7R D7G D7H D10N D8R D8L D10R D8N D11N D10 D11 D11R D9L D11T D9N

ASPHALT PAVER

AP-650B BG-225C

RIPPER

11 10 7 9 8

MARINE ENGINE

D353E D353C D353D D375D

PIPELAYER

572G 578 594H

TRUCK

793F AC 793F CMD 793F OEM 793F XQ 793D 793C 793F

BACKHOE LOADER

446D 446B

EXCAVATOR

312D2 311D LRR 312D L 312C 312D 313D2 GC 311C 312D2 L 312C L 313D2 313D2 LGP

OFF HIGHWAY TRUCK

793D 793F 793

BULLDOZER

8S 8U 10C 9C 9U 9S 7SU 11U 7A 10S 7S 7U 10U 11SU 8SU 7S LGP 8A

VIBRATORY COMPACTOR

CS-431C CP-433C CP-323C CS-323C CB-534C CB-534B CS-433C CB-535B CB-434B CB-434C CB-536D

WINCH

59N 59L 58L 57H 57 59 58

View More
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.

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Non-Returnable

Kit

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Remanufactured

Non-Returnable

Kit

Replaced

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