Description

Self-aligning driveshaft center support (carrier) bearing for Spicer / Meritor 1760 and 1810 series drivelines. Direct replacement for 210661-1XSA, Meritor CB210661-1XSA, Spicer 5003323, and Timken HB88512A. Commonly fitted to Freightliner Columbia / Cascadia, Kenworth, Peterbilt, Volvo, and Mack tractors with 1760/1810-series two-piece drivelines.

Signs You Need a New Carrier Bearing

Vibration through the cab at highway speeds
Whining, growling, or rumbling noise from beneath the cab/sleeper
Driveline play at the center support when rocked by hand
Cracked or oil-soaked rubber isolator on the bearing carrier
Visible bearing-housing damage or grease leakage

Specifications

Manufacturer	Predator HD Parts
Replaces	210661-1XSA / CB210661-1XSA
Part Type	Self-Aligning Driveshaft Center Support Bearing
Driveline Series	Spicer / Meritor 1760, 1810 (also 1710 HD)
Bearing ID	2.3622 / 2.3616 in (max/min)
Height	3.38 in
Bearing Width	1.41 in
Mounting Hole Centers	8.63 in

Cross References

This part replaces or is equivalent to the following part numbers:

Freightliner: TDA CB210661-1XSA, POP2 88471, SP 5003323
Meritor: CB210661-1XSA, HB210661-1XSA, SP-10094142, 10094142
Spicer: 5003323, 210987-1X, 212066-1X, 212129-1X
Mack: 8235-CB2106611XSA
International: 2591-048-C, 2591048C91
Volvo: 85110609
Timken: HB88512A, HB88512AHD, HB88512B3
Newstar: S-18847, S-18412
Also known as: 5003323SST, N210661-1XSA, RORCB2106611XSA, 25-210661-1X

Applications

This carrier bearing is used in Spicer/Meritor 1760- and 1810-series two-piece drivelines on:

Freightliner Columbia, Century, Cascadia (1996–present, two-piece driveline)
Kenworth T600, T660, T680, T800, W900 (with Spicer 1760/1810 driveshaft)
Peterbilt 379, 386, 387, 388, 389, 567, 579 (Spicer 1810 driveline)
Mack and Volvo Class 8 tractors with 1810-series two-piece drivelines

Verify your driveline series (1710 HD vs 1760 vs 1810) and shaft outer diameter before ordering — different series share housing dimensions but use different bearing IDs.