B8-23D
B8-23D Alternator Bearing 8×23×14
- Size
- 8 × 23 × 14 mm
- Cross-ref
- WAI 10-800-4PFI B8-23DAssembly A3TG0081; A3TG0081A; A3TG0091; A3TG0091A
IATF 16949 CertifiedSince 2011 · Jiashan County, China
OTT SA6303-2RSM is a sealed single-row deep groove ball bearing for automotive alternator repair and assembly. Dimensions: 17×47×14 mm. C3 internal clearance. Catalog cross references: PFI 6303-2RS C3; WAI 6-303-4. Match the bearing dimensions, seals and internal clearance during selection.
Interchangeable with
Technical data
| Dimensions | 17×47×14 mm |
|---|---|
| Seal / Marking | 2RSM (OTT marking); C3 internal clearance |
| Structure | Deep groove ball |
OTT SA6303-2RSM Alternator Bearing 17×47×14 is interchangeable with the following brand part numbers:
| Brand | Part Number |
|---|---|
| WAI | 6-303-4 |
| PFI | 6303-2RS C3 |
Available in OTT branded packaging or custom OEM packaging. Individual bearings are sealed in PE bags, packed in branded carton boxes, then palletized in wooden crates for export shipping.






Same product line
B8-23D Alternator Bearing 8×23×14
B10-27D Alternator Bearing 10×27×14
B10-50D Alternator Bearing 10×27×11
Product lines
Wheel BearingsPre-sealed, pre-lubricated wheel bearings — Ball Type and Tapered Roller Type for passenger cars and light trucks.34 models
Wheel Bearing Repair KitsComplete repair kits — bearings, seals, snap rings, and hardware in one package.4 models
Wheel Hub UnitsPre-assembled Gen 2 & Gen 3 hub units — bolt-on installation, sealed for life, ABS-ready.5 models
Belt Tensioners & IdlersOEM-grade tensioner & idler pulley bearings — supplying assembly plants and aftermarket worldwide.24 modelsRequest for quotation
Share an OE or competitor number, a drawing or target dimensions and your annual volume. Samples available for qualified projects.