National®Verified to fit 81 vehicles
| Vehicle | Trim | Engine | Notes |
|---|---|---|---|
| 1975 Triumph Spitfire | — | L4 1.5L | with Standard FH Axle(s) |
| 1974 Triumph Spitfire | — | L4 1.5L | with Standard FH Axle(s) |
| 1973 Triumph Spitfire | — | L4 1.5L | with Standard FH Axle(s) |
| 1973 Triumph Stag | — | V8 3.0L | with Standard LD Axle(s) |
| 1972 Triumph Spitfire | — | L4 1.3L | with Standard FD Axle(s) |
| 1972 Triumph Stag | — | V8 3.0L | with Standard LD Axle(s) |
| 1971 Triumph Spitfire | — | L4 1.3L | with Standard FD Axle(s) |
| 1971 Triumph Stag | — | V8 3.0L | with Standard LD Axle(s) |
| 1970 Triumph Herald | — | L4 1.1L | with Standard GA Axle(s) |
| 1970 Triumph Spitfire | — | L4 1.3L | with Standard FD Axle(s) |
| 1970 Triumph Stag | — | V8 3.0L | with Standard LD Axle(s) |
| 1969 Triumph Herald | — | L4 1.1L | with Standard GA Axle(s) |
| 1969 Triumph Spitfire | — | L4 1.3L | with Standard FD Axle(s) |
| 1968 Triumph Herald | — | L4 1.1L | with Standard GA Axle(s) |
| 1968 Triumph Spitfire | — | L4 1.3L | with Standard FD Axle(s) |

WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, known to the State of California to cause cancer and reproductive harm. Service the vehicle in a well-ventilated area, wear gloves, and wash your hands. See www.P65Warnings.ca.gov/motor-vehicle-parts

Guaranteed fit — or free return
Currently out of stock
Guaranteed to fitFits your vehicle or we pay the return. Learn more
If a part we confirmed for your vehicle does not fit, we cover the return shipping and refund you in full. That is the fitment guarantee.
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Nobody likes buying a part that turns out to be wrong. So if it doesn't fit, send it back for a full refund at no cost to you — return shipping is on us — and we'll help you get the right one.
AutoBuffy 24-month guaranteeCovered on this part, unlimited miles. Learn more
Every part is covered for 24 months. Many brands add their own manufacturer warranty on top.
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Ratings come from verified AutoBuffy buyers after delivery — no imported or paid reviews.

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National Bearings 21075
Out of stock · guaranteed fit or free return

National Bearings 21075
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Call for Price
888-477-2530Our parts specialists are ready to help you find the best price.
Key Features
About This Bearings
This National automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- •Unusual noises from the component area
- •Decreased vehicle performance
- •Warning lights on dashboard
- •Visible wear or damage
- •Failed vehicle inspection

National
Trusted Automotive Brand
National is a trusted manufacturer of quality automotive parts.
View all National productsInstallation Guide
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Frequently Asked Questions
The National Bearings (21075) is a direct-fit replacement for 1957-1975 Triumph, GMC, Chevrolet and 1 other make. UPC 724956069583.
About This Product
Bearings
The National Bearings (21075) is a direct-fit replacement for 1957-1975 Triumph, GMC, Chevrolet and 1 other make. UPC 724956069583.
This National automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- Unusual noises from the component area
- Decreased vehicle performance
- Warning lights on dashboard
- Visible wear or damage
- Failed vehicle inspection

Brand-first. Fitment-obsessed.
We only sell brands automakers trust, and we double-check the fit on every listing.
Top curated brands only
The brands automakers put on the car.
Obsessed with fitment
Year, make, model, trim, engine, plus the fine print.
Search any part number
Your old part, a competitor, or the dealer #. We confirm the match.
Shop owner? Get BuffyPro business pricing

Fitment Obsessed
Every part checked against your exact year, make, model, trim, and engine.
Wrong Fit? On Us.
Free return shipping, no restocking fee — the fitment guarantee.
Brands OEMs Trust
The names automakers actually put on the car.
Millions of Parts, One Promise
If we say it fits, it fits.




