Driveshaft Center Support Bearing Truck Heavy Duty. Driveshaft, drive shaft centre support bearing N210661-1XSA is found on heavy duty vehicles with OE driveline series SPL170, SPL250, 1710, 1810 and RPL Series. This bearing is an OEM part. Bolt hole diameter: 0.63 X 0.75, bore inches: 2.362, cl of bearing to face: 3.37, cl to cl of mounting: 8.62. Interchange #: Neapco N210661-1XSA, Meritor CB210661-1XSA. Type with more angle workable.