8J7978 Bearing fit Caterpillar
8J7978 Bearing fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
8J7978 Spherical Bearing — Caterpillar, SKU 8J7978
8J7978 is a spherical bearing used in Caterpillar tracked bulldozers, wheel bulldozers, and track loaders. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The bearing is listed for the Caterpillar equipment models and series shown below. The model designations include both lettered machine series and numbered model ranges.
Fitment
Tracked bulldozers:
- Caterpillar 183B
- Caterpillar 8A
- Caterpillar 8D
- Caterpillar 8R
- Caterpillar 8S
- Caterpillar 8U
- Caterpillar 9A
- Caterpillar 9C
- Caterpillar 9R
- Caterpillar 9S
- Caterpillar 9U
- Caterpillar D8K
- Caterpillar D9H
Wheel bulldozers:
- Caterpillar 814
- Caterpillar 814S
- Caterpillar 814B
- Caterpillar 814F
- Caterpillar 814F II
- Caterpillar 814K
Track loaders:
- Caterpillar 977K
- Caterpillar 977L
Cross-reference numbers
- 8J7978
- 8J-7978
The numbers above identify the same bearing reference in different written formats. The hyphenated form is 8J-7978; the non-hyphenated form is 8J7978.
Specifications
| Part type | Spherical bearing |
| Equipment manufacturer | Caterpillar |
| Part status | New aftermarket spare part |
| Manufacturer | CTP (Costex Tractor Parts) |
| Inner diameter | 3.5019 in |
| Inner bearing length | 2.052 in |
| Outer diameter | 5.118 in |
| Weight | 5.6 lb |
| Product length | 15 cm |
| Product width | 15 cm |
| Product depth | 6 cm |
The listed inch measurements describe the bearing itself: inner diameter, inner bearing length, and outer diameter. The centimetre measurements and weight are the stated overall product dimensions and product weight.
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