Jeep Wrangler JK bearing, hub & seal reference
Look up 36 BCA catalogue entries for Jeep Wrangler JK. Compare full part references, component roles and recorded restrictions; confirm current vehicle-specific requirements before use.
Filter by vehicle and component
What this lookup establishes—and what it does not
Source: BCA 2021 Wheel Hub Assembly, Bearing and Seal Catalog. The loaded entries cover listed model years from 1995 through 2020. This is a historical catalogue reference, not a live VIN decoder or a guarantee for every trim, market or production date.
BCA is an NTN-owned product line. The numbers below remain BCA part references; they are not silently converted into NTN, SKF or another brand's part numbers. Confirm current OEM/service requirements before use.
Which bearing or hub reference applies?
The catalogue contains 36 reference entries for Jeep Wrangler JK. Select the year and component, then read the full condition and footnote fields. There is no single universal bearing number for every support in this vehicle.
Choose a recorded model year
Reference records
1–25 of 36“Bearing”, “hub assembly”, “seal” and “repair sleeve” describe different components. The source description, rather than the catalogue title, determines the role of each number.
On a phone, each record is shown as a complete card with its restrictions. These records do not supply tightening torques or certify a replacement.
| BCA part reference | Component / position | Source model years | Recorded conditions & restrictions | Source trace |
|---|---|---|---|---|
| NB206BCA catalogue reference | Automatic Transmission | 2018Subject to the conditions in this row | Output Shaft Bearing - Automatic Trans.; 5 Speed Trans
| 2021 catalogue Page 370Entry a25990ca |
| NS710608BCA catalogue reference | Automatic Transmission | 2018Subject to the conditions in this row | Oil Pump Seal - Front - W5A580 TransNo additional numbered footnote is attached to this source row. | 2021 catalogue Page 370Entry c43d70e3 |
| NBA36BCA catalogue reference | Axle | 2018Subject to the conditions in this row | Bearing - Rear
| 2021 catalogue Page 372Entry c459e919 |
| NBDRK339FBCA catalogue reference | Axle | 2018Subject to the conditions in this row | Differential Bearing and Seal Kit - Front
| 2021 catalogue Page 372Entry d9c77d37 |
| NBDRK339FMKBCA catalogue reference | Axle | 2018Subject to the conditions in this row | Differential Bearing and Seal Kit - Front
| 2021 catalogue Page 372Entry fe82a53f |
| NBDRK339GBCA catalogue reference | Axle | 2018Subject to the conditions in this row | Differential Bearing and Seal Kit - Rear
| 2021 catalogue Page 372Entry 42d912dc |
| NBDRK339GMKBCA catalogue reference | Axle | 2018Subject to the conditions in this row | Differential Bearing and Seal Kit - Rear
| 2021 catalogue Page 372Entry 3d287b1f |
| NBDRK339HBCA catalogue reference | Axle | 2018Subject to the conditions in this row | Differential Bearing and Seal Kit - Rear
| 2021 catalogue Page 372Entry 7fe2b825 |
| NBDRK339HMKBCA catalogue reference | Axle | 2018Subject to the conditions in this row | Differential Bearing and Seal Kit - Rear
| 2021 catalogue Page 372Entry 0f8948da |
| NBJLM704610BCA catalogue reference | Axle | 2018Subject to the conditions in this row | Differential Bearing Race - Front
| 2021 catalogue Page 372Entry 51f14f6a |
| NBJLM704649BCA catalogue reference | Axle | 2018Subject to the conditions in this row | Bearing - Front
| 2021 catalogue Page 372Entry ca6e180e |
| NBLM501314BCA catalogue reference | Axle | 2018Subject to the conditions in this row | Differential Bearing Race - Front
| 2021 catalogue Page 372Entry 2cb3dac7 |
| NBLM501349BCA catalogue reference | Axle | 2018Subject to the conditions in this row | Bearing - Front
| 2021 catalogue Page 372Entry eddb1760 |
| NBSBK1BCA catalogue reference | Axle | 2018Subject to the conditions in this row | Spindle Bearing - Front Inner
| 2021 catalogue Page 372Entry 8be1f295 |
| NBBR52BCA catalogue reference | Differential | 2018Subject to the conditions in this row | Pinion Bearing Set - Rear Outer
| 2021 catalogue Page 375Entry 3c862043 |
| NBHM88610BCA catalogue reference | Differential | 2018Subject to the conditions in this row | Pinion Race - Front Outer
| 2021 catalogue Page 375Entry 13754a10 |
| NBHM88610BCA catalogue reference | Differential | 2018Subject to the conditions in this row | Pinion Race - Front Outer
| 2021 catalogue Page 375Entry 676ed597 |
| NBHM88649BCA catalogue reference | Differential | 2018Subject to the conditions in this row | Pinion Bearing - Front Outer
| 2021 catalogue Page 375Entry 5e6237b7 |
| NBHM88649BCA catalogue reference | Differential | 2018Subject to the conditions in this row | Pinion Bearing - Front Outer
| 2021 catalogue Page 375Entry 8c52099c |
| NBM802011BCA catalogue reference | Differential | 2018Subject to the conditions in this row | Pinion Race - Front Inner
| 2021 catalogue Page 375Entry 6b37fb5d |
| NBM802011BCA catalogue reference | Differential | 2018Subject to the conditions in this row | Pinion Race - Front Inner
| 2021 catalogue Page 375Entry 89125393 |
| NBM802011BCA catalogue reference | Differential | 2018Subject to the conditions in this row | Pinion Race - Rear Inner
| 2021 catalogue Page 375Entry b3c66eba |
| NBM802048BCA catalogue reference | Differential | 2018Subject to the conditions in this row | Pinion Bearing - Front Inner
| 2021 catalogue Page 375Entry 07baa8ff |
| NBM802048BCA catalogue reference | Differential | 2018Subject to the conditions in this row | Pinion Bearing - Front Inner
| 2021 catalogue Page 375Entry 97ccf87e |
| NBM802048BCA catalogue reference | Differential | 2018Subject to the conditions in this row | Pinion Bearing - Rear Inner
| 2021 catalogue Page 375Entry d5abb09e |
Checks before treating a reference as a replacement
Identify the complete vehicle
Match model year, engine, transmission, driven axle, body and production/VIN limits. A year and model name alone may leave several valid-looking entries.
Match the component role
Distinguish a loose bearing, complete hub, cup/cone, seal and repair sleeve. Check front/rear and inner/outer or left/right position exactly as recorded.
Preserve vehicle-specific interfaces
Confirm encoder/ABS arrangement, flange and spline interfaces, retention and the current service procedure. Do not transfer torque or installation force from an unrelated part.
How to use these results
Does a listed number guarantee fitment for my VIN?
No. These are source-listed catalogue references. Read every restriction and verify the current OEM and manufacturer information for the exact vehicle configuration. Missing VIN or production details remain unknown.
Can I replace a hub using a bearing with the same dimensions?
Not on dimensions alone. The complete assembly, encoder, retention, loading and installation interfaces must agree. The main bearing catalogue and cross-brand comparisons are separate dimensional references, not vehicle approvals.
Where are the axle-nut torque and installation instructions?
This application catalogue does not establish a universal torque or a complete installation sequence. Use the current vehicle-specific service procedure, including fastener reuse rules and staged tightening. Do not infer torque from the bearing number.
Does wheel noise prove that one of these parts has failed?
No. Bearing damage, tyres, brakes and driveline faults can produce overlapping symptoms. A reference lookup identifies candidates; it does not diagnose the cause or prove which side has failed.
Look up an exact source part number
Keep the BCA prefix and full marking. Similar numbers from other manufacturers are not automatically cross-references.
Continue the technical investigation
Source and interpretation limits
Factual reference basis: BCA 2021 Wheel Hub Assembly, Bearing and Seal Catalog, published by BCA Bearings, an NTN product line, with its linked numbered footnote reference. Each row retains its source page and restrictions. Vehicle names shared by one source entry remain associated with that entry; source counts are not quantities for sale.
BearingScope provides independently organized technical lookup and interpretation. It does not sell these parts, provide a repair service, certify current fitment, or claim that an absent result is unavailable from a manufacturer. Original public catalogue files and source fingerprints are retained in the site's verification records.