3680-40 – Center Support Bearing – Gm Application – 1.181″ ID – 1.375″ Center Bearing To Base
$97.83
5 in stock
Description
GM application center support bearing with 1.181″ bore and 1.375″ center-to-base height; rubber-isolated ball bearing for GM two-piece driveshaft standard compact hanger bracket positions.
Full Description
The 3680-40 and 3680-80 share the same bore (1.181") and center-to-base height (1.375") but differ in bracket configuration for different GM application variants. This is a recurring pattern in the 3680 GM series -- dimensional duplicates that serve different model-year or body-style configurations. When selecting between 3680-40 and 3680-80, confirm the GM OEM part number from the removed bearing.
- Bore ID: 1.181" (30 mm) -- confirm with micrometer
- Center to base: 1.375" -- identical to 3680-80; bracket profile is the distinguishing factor
- Rubber isolator: bonded construction for GM-platform driveshaft frequency damping
- Compatible with center support bearing brackets on applicable GM models
Warning: a 1.375" and 1.500" center-to-base measurement looks similar when measured with a ruler. Use a digital caliper for this measurement -- a 0.125" error here selects the wrong part and introduces a propshaft angle deviation that causes vibration. The difference is approximately 3.2 mm -- important to resolve to 0.1 mm accuracy.
Additional information
| Application | GM |
|---|---|
| Bearing id | 1.181 |
| Center bearing to base | 1.375 |
| Ctr to ctr of mount holes | 7.375 |
| Notes | Camaro 2010+ |
| Partn number | 3680-40 |
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| Center Support Bearing (323) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
