2780-17 – Center Support Bearing – Bmw Application – 1.181″ ID – 3.750″ Center Bearing To Base
$101.44
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Description
2780-17 Center Support Bearing — BMW series, 1.181″ inner dia | 3.750″ center-to-base | 5.625″ mount spacing. Complete replacement. Verify inner dia and mount spacing.
Full Description
The 2780-17 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 2780-17 center support bearing is the correct replacement for BMW series applications, with the exact inner diameter and mount hole spacing your application requires.
2780-17 Center Support Bearing — BMW Series Dimensions & Mount Specs
The 2780-17 center support bearing specs: 1.181" inner dia | 3.750" center-to-base | 5.625" mount spacing. Aluminum housing w/two threaded holes 1" to center below mounting surface.. Application: BMW 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: BMW series — verify your driveshaft series matches
- Bearing inner dia: 1.181" — must match midshaft stub OD exactly
- Center-to-base: 3.750" — height from shaft centerline to mounting surface
- Mount hole spacing: 5.625" — 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: Aluminum housing w/two threaded holes 1" to center below mounting surface.
Specifications
- SKU: 2780-17
- Brand: UDS
- Application: BMW Series
- Bearing ID: 1.181"
- Center to Base: 3.750"
- Mount Hole Spacing: 5.625"
- Notes: Aluminum housing w/two threaded holes 1" to center below mounting surface.
Additional information
| Application |
BMW |
|---|---|
| Bearing id |
1.181 |
| Center bearing to base |
3.750 |
| Ctr to ctr of mount holes |
5.625 |
| Notes |
Aluminum housing w/two threaded holes 1" to center below mounting surface. |
| Partn number |
2780-17 |
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| Center Support Bearing (323) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application BMW Bearing id 1.378 Center bearing to base 1.325 Ctr to ctr of mount holes 6.300 Notes M6 (06-10) 7 speed ⋅ measured from top of bracket to center line Partn number 2780-62 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application BMW Bearing id 1.378 Center bearing to base 1.625 Ctr to ctr of mount holes 6.300 Notes measured from top of bracket to center line Partn number 2780-65 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application BMW Bearing id 1.181 Center bearing to base 1.750 Ctr to ctr of mount holes 6.250 Partn number 2780-70 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application BMW Bearing id 1.181 Center bearing to base 1.625 Ctr to ctr of mount holes 6.300 Partn number 2780-75 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application BMW Bearing id 1.378 Center bearing to base 1.625 Ctr to ctr of mount holes 6.250 Partn number 2780-80 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application BMW Bearing id 1.378 Center bearing to base 1.875 Ctr to ctr of mount holes 6.875 Notes Bearing has offset Partn number 2780-85 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application BMW/ Land Rover Bearing id 1.378 Center bearing to base 1.750 Ctr to ctr of mount holes 6.250 Partn number 2780-90 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application BMW Bearing id 1.181 Center bearing to base 1.750 Ctr to ctr of mount holes 5.125 Partn number 2780-95 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Bearing id 1.378 Notes 35mm (ID) x 55mm x 13mm Ball Bearing Partn number 2780-99 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application MERCEDES Bearing id 1.181 Center bearing to base 800 Ctr to ctr of mount holes 4.750 Notes 300SD, 380SE, 380SEC, 380SEL, 500SEC, 500SEL ⋅ CB comes complete w/bearing Partn number 2880-10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
