Chevrolet Silverado 2500 HD Classic bearing, hub & seal reference
Look up 52 BCA catalogue entries for Chevrolet Silverado 2500 HD Classic. Compare full part references, component roles and recorded restrictions; confirm current vehicle-specific requirements before use.
Filter by vehicle and component
Searching a vehicle family rather than an exact variant?
Compare the catalogue variants without assuming that their wheel-bearing or hub references are interchangeable. Filter the recorded year and wheel position, then retain the conditions beside each part number.
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 52 reference entries for Chevrolet Silverado 2500 HD Classic. 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 52“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 |
|---|---|---|---|---|
| NS2457BCA catalogue reference | Automatic Transmission | 2007Subject to the conditions in this row | Extension Housing Seal - 4L80-E Trans.; Automatic Trans.; 4 Speed Trans
| 2021 catalogue Page 73Entry d94b98ea |
| NS4333NBCA catalogue reference | Automatic Transmission | 2007Subject to the conditions in this row | Extension Housing Seal - 4L80-E Trans.; Automatic Trans.; 4 Speed Trans
| 2021 catalogue Page 73Entry 3975c186 |
| NS710623BCA catalogue reference | Automatic Transmission | 2007Subject to the conditions in this row | Oil Pump Seal - Front - 1000 Trans.; Automatic Trans.; 6 Speed TransNo additional numbered footnote is attached to this source row. | 2021 catalogue Page 73Entry 0f33b0a2 |
| NB382ABCA catalogue reference | Axle | 2007Subject to the conditions in this row | Differential Bearing Race - Rear
| 2021 catalogue Page 79Entry b476c0fd |
| NB387ASBCA catalogue reference | Axle | 2007Subject to the conditions in this row | Bearing - Rear
| 2021 catalogue Page 79Entry 1ca268a1 |
| NBA42BCA catalogue reference | Axle | 2007Subject to the conditions in this row | Bearing - Front
| 2021 catalogue Page 79Entry d349f139 |
| NBHM804810BCA catalogue reference | Differential | 2007Subject to the conditions in this row | Pinion Race - Front Inner - 4WD
| 2021 catalogue Page 90Entry c6c2b166 |
| NBHM804846BCA catalogue reference | Differential | 2007Subject to the conditions in this row | Pinion Bearing - Front Inner - 4WD
| 2021 catalogue Page 90Entry ee9dd624 |
| NBHM88610BCA catalogue reference | Differential | 2007Subject to the conditions in this row | Pinion Race - Front Outer - 4WD
| 2021 catalogue Page 90Entry 1dbdb63f |
| NBHM88649BCA catalogue reference | Differential | 2007Subject to the conditions in this row | Pinion Bearing - Front Outer
| 2021 catalogue Page 90Entry c709632f |
| NBHM903210BCA catalogue reference | Differential | 2007Subject to the conditions in this row | Pinion Race - Rear Inner
| 2021 catalogue Page 90Entry 2d7057f5 |
| NBHM903249BCA catalogue reference | Differential | 2007Subject to the conditions in this row | Pinion Bearing - Rear Inner
| 2021 catalogue Page 90Entry bc9ab879 |
| NBM802011BCA catalogue reference | Differential | 2007Subject to the conditions in this row | Pinion Race - Rear Outer
| 2021 catalogue Page 90Entry 83c0c78d |
| NBM802048BCA catalogue reference | Differential | 2007Subject to the conditions in this row | Pinion Bearing - Rear Outer
| 2021 catalogue Page 90Entry 6b3f1b8a |
| NBB2410BCA catalogue reference | Drive Axle | 2007Subject to the conditions in this row | Shaft Bearing - Front Outer
| 2021 catalogue Page 95Entry bedd2c03 |
| NBB2610BCA catalogue reference | Drive Axle | 2007Subject to the conditions in this row | Shaft Bearing - Front Inner
| 2021 catalogue Page 95Entry b2456285 |
| NBSCH78BCA catalogue reference | Drive Axle | 2007Subject to the conditions in this row | Shaft Pilot Bearing - Front
| 2021 catalogue Page 95Entry 88113cc0 |
| NS99235BCA catalogue reference | Engine | 2007Subject to the conditions in this row | Crankshaft Repair Sleeve - Front - 8.1L 496cid V8No additional numbered footnote is attached to this source row. | 2021 catalogue Page 104Entry 56adf7b0 |
| NS99435BCA catalogue reference | Engine | 2007Subject to the conditions in this row | Crankshaft Repair Sleeve - Rear - 8.1L 496cid V8No additional numbered footnote is attached to this source row. | 2021 catalogue Page 104Entry 6dd25e4d |
| NBA35BCA catalogue reference | Manual Transmission | 2007Subject to the conditions in this row | Countershaft Bearing - Rear - NV4500 Trans.; Manual Trans.; 5 Speed TransNo additional numbered footnote is attached to this source row. | 2021 catalogue Page 111Entry d05d69d8 |
| NBB5020BCA catalogue reference | Manual Transmission | 2007Subject to the conditions in this row | Extension Housing Bearing - RWD; NV4500 Trans.; Manual Trans.; 5 Speed TransNo additional numbered footnote is attached to this source row. | 2021 catalogue Page 111Entry d8687861 |
| NBLM102910BCA catalogue reference | Manual Transmission | 2007Subject to the conditions in this row | Countershaft Race - Front - NV4500 Trans.; Manual Trans.; 5 Speed TransNo additional numbered footnote is attached to this source row. | 2021 catalogue Page 111Entry f43690eb |
| NBLM102949BCA catalogue reference | Manual Transmission | 2007Subject to the conditions in this row | Countershaft Bearing - Front - NV4500 Trans.; Manual Trans.; 5 Speed TransNo additional numbered footnote is attached to this source row. | 2021 catalogue Page 111Entry 6e1391f4 |
| NBM804010BCA catalogue reference | Manual Transmission | 2007Subject to the conditions in this row | Output Shaft Race - NV4500 Trans.; Manual Trans.; 5 Speed TransNo additional numbered footnote is attached to this source row. | 2021 catalogue Page 111Entry d833ecf0 |
| NBM804049BCA catalogue reference | Manual Transmission | 2007Subject to the conditions in this row | Output Shaft Bearing - NV4500 Trans.; Manual Trans.; 5 Speed TransNo additional numbered footnote is attached to this source row. | 2021 catalogue Page 111Entry 9cb8b393 |
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.