3R80-50 Center Support Bearing Chevy S10 / GMC Sonoma / Dodge Dakota 212088-1X ID: 1.378″ Square
$22.74
+50 in stock
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Description
3R80-50 center support bearing for GM. Bearing ID 1.378″, mount holes ” C-to-C. Verify stub shaft OD and bracket spacing.
Full Description
3R80-50 Center Support Bearing - GM
The 3R80-50 is a center support bearing manufactured by UDS. In a two-piece driveshaft layout, the center support bearing carries the midship stub shaft at the point where the front and rear driveshaft sections meet. The bearing presses into a rubber-isolated housing that bolts to the vehicle frame or crossmember. This bearing is catalogued for GM applications.
The bearing inner bore (ID) is 1.378 inches — this must match the outer diameter of the midship stub shaft exactly. Even a small mismatch causes either interference fit problems or excessive play. The centerline-to-base dimension is 2.250 inches, measured from the bearing centerline to the bottom of the mounting bracket; this determines the working angle of the front driveshaft section. Chevrolet GMC, Square type used with double CV, 6.40mm X 14.30mm mounting bolts, square steel bracket.
Specifications
- Part Number: 3R80-50
- Brand: UDS
- Application: GM
- Bearing id: 1.378
- Center bearing to base: 2.250
- Ctr to ctr of mount holes: 6.625
- Notes: Chevrolet GMC, Square type used with double CV, 6.40mm X 14.30mm mounting bolts, square steel bracket
Fitment & Installation Notes
Before ordering the 3R80-50, measure the midship stub shaft OD and confirm it matches the 1.378-inch bore. Also verify the frame bracket hole spacing matches the -inch center-to-center dimension. The rubber isolator in the housing should be replaced if cracked or oil-contaminated, as a degraded isolator transmits driveshaft vibration directly to the chassis.
View the full range of Center Support Bearings for two-piece driveshaft applications.
Additional information
| Application | GM |
|---|---|
| Bearing id | 1.378 |
| Center bearing to base | 2.250 |
| Ctr to ctr of mount holes | 6.625 |
| Notes | Chevrolet GMC, Square type used with double CV, 6.40mm X 14.30mm mounting bolts, square steel bracket |
| Partn number | 3R80-50 |
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 | Application Nissan Bearing id 1.181 Center bearing to base 2.375 Ctr to ctr of mount holes 0 Notes 620 Pickup (73-79) Partn number 1280-10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application Nissan Juke 11-17 Bearing id 1.181 Center bearing to base 570 Ctr to ctr of mount holes 7.125 Notes Bolt heads opposite side of spacers Partn number 1280-15 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application Nissan Bearing id 1.181 Center bearing to base 2.375 Ctr to ctr of mount holes 9.375 Notes Pickup 4X4 (79-88) Partn number 1280-20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application Nissan, Infiniti Bearing id 1.181 Center bearing to base 2.170 Ctr to ctr of mount holes 6.000 Notes Double metal rings surrounding the rubber and bearing. Comes with nut and washer/spacer Partn number 1280-30 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application Nissan Bearing id 1.378 Center bearing to base 2.180 Ctr to ctr of mount holes 0 Notes Infiniti/ Nissan. Like 1280-30 but with larger bearing ID / Bracket not included. comes with new nut washer/spacer Partn number 1280-35 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application Nissan Bearing id 1.181 Center bearing to base 2.500 Ctr to ctr of mount holes 6.000 Notes Nissan / Infiniti / Frontier 4X4 (98-03) Hardbody 4X4 (86-97) Pathfinder 4X4 (87-03) Xterra 4X4 (00-03) QX4 4X4 (00-03) Partn number 1280-40 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application Nissan Bearing id 1.181 Center bearing to base 2.125 Ctr to ctr of mount holes 5.875 Notes 300ZX (90-96) Partn number 1280-50 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application Infiniti Bearing id 1.181 Center bearing to base 1.125 Ctr to ctr of mount holes 6.000 Notes Q45 (90-96) Partn number 1280-70 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application INFINITI Q50, Q60 Bearing id 1.181 Ctr to ctr of mount holes 6.000 Notes 3 mm spacer Partn number 1280-74 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | Application INFINITI Q50, Q60, Q70, M37, M56 Bearing id 1.181 Center bearing to base 197 Ctr to ctr of mount holes 6.000 Notes 11 mm spacer Partn number 1280-75 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
