3580-30 – Center Support Bearing – Gm Application – 1.574″ ID – 2.118″ Center Bearing To Base
$113.88
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Description
3580-30 Center Support Bearing — GM series, 1.574″ inner dia | 2.118″ center-to-base | 4.331″ mount spacing. Complete replacement. Verify inner dia and mount spacing.
Full Description
The 3580-30 center support bearing supports the midshaft section of a two-piece driveshaft, keeping it running concentric with the vehicle's drivetrain axis. When this bearing fails, the midshaft droops and the driveshaft angles change — you'll feel it as a vibration that gets progressively worse at highway speed. The 3580-30 center support bearing is the correct replacement for GM series applications, with the exact inner diameter and mount hole spacing your application requires.
3580-30 Center Support Bearing — GM Series Dimensions & Mount Specs
The 3580-30 center support bearing specs: 1.574" inner dia | 2.118" center-to-base | 4.331" mount spacing. Square outer bracket w/ studs protruding from underneath housing & Octagon inner rubber. Application: GM series. Inner diameter must match the midshaft stub OD exactly — a loose fit allows the bearing to walk on the shaft, which causes vibration and accelerates wear on both the bearing race and the shaft surface. Mount hole center-to-center spacing must match your crossmember bracket.
When replacing a center support bearing on a two-piece shaft, replace the complete assembly — bearing race, rubber isolator, and bracket together. A new race in an old hardened rubber mount still vibrates. The rubber isolator is what actually absorbs the midshaft movement; without it the bearing transmits every frequency directly to the frame.
Key Features
- Application: GM series — verify your driveshaft series matches
- Bearing inner dia: 1.574" — must match midshaft stub OD exactly
- Center-to-base: 2.118" — height from shaft centerline to mounting surface
- Mount hole spacing: 4.331" — must match crossmember bracket exactly
- Complete assembly — bearing race, rubber isolator, and bracket as one unit
- Rubber isolator included — absorbs midshaft vibration, reduces NVH to frame
- Note: Square outer bracket w/ studs protruding from underneath housing & Octagon inner rubber
Specifications
- SKU: 3580-30
- Brand: UDS
- Application: GM Series
- Bearing ID: 1.574"
- Center to Base: 2.118"
- Mount Hole Spacing: 4.331"
- Notes: Square outer bracket w/ studs protruding from underneath housing & Octagon inner rubber
Additional information
| Application |
GM |
|---|---|
| Bearing id |
1.574 |
| Center bearing to base |
2.118 |
| Ctr to ctr of mount holes |
4.331 |
| Notes |
Square outer bracket w/ studs protruding from underneath housing & Octagon inner rubber |
| Partn number |
3580-30 |
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