SB208-50 ZZ C4 Steel Kart Axle Bearing
Metal-shielded steel insert bearing with C4 clearance and three set screws for a 50 mm kart axle and 80 mm carrier.
- Bore (d)
- 50 mm
- Outer dia. (D)
- 80 mm
- Width
- 18 mm
- MOQ
- 10 pcs
- Lead time
- 30-45 days for standard orders
- Shipping
- FOB Ningbo / Shanghai
Technical data
Specifications
| Model | SB208-210-ZZ-C4 |
|---|---|
| Type | Set Screw Insert Bearing |
| Inner Diameter | 50 mm |
| Outer Diameter | 80 mm |
| Width | 18 mm |
| Closure | ZZ |
| Clearance | C4 |
| Rolling Elements | Steel |
| Also Known As | SB208/210 ZZ C4; SB208-50 ZZ C4 |
Applications
- 50 mm kart axle
Fitment note: cross-references and vehicle applications are for identification. Send us the OE number, VIN or a sample and we will confirm the exact fitment before you order.
Packaging
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.






Other versions
Kart rear axle insert bearings — by axle size and version
Choose by axle diameter (30 / 40 / 50 mm) and carrier size, then by closure (ZZ or 2RS) and steel or hybrid ceramic. All with C4 clearance and set-screw locking. Not sure which one fits? See where each bearing goes in a kart.
SB208-50
SB208-50 Kart Axle Bearing 50×80 mm — C4 Steel
- Size
- 50 × 80 × 18 mm
- Fits
- Kart rear axle carriers (50 mm axle)
SB208-50 Hybrid Ceramic
SB208-50 Hybrid Ceramic Kart Axle Bearing 50×80 mm
- Size
- 50 × 80 mm
- Fits
- Competition rear axles
SB208-210-2RS-C4 Hybrid
SB208-50 2RS C4 Hybrid Ceramic Kart Axle Bearing
- Size
- 50 × 80 × 18 mm
- Fits
- 50 mm kart axle
SB210-50 ZZ C4
SB210-50 Kart Axle Bearing 50×90×20 mm — C4 ZZ
- Size
- 50 × 90 × 20 mm
- Fits
- Kart rear axle carriers with 90 mm housing
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Application Guides
Request for quotation
Need SB208-210-ZZ-C4 in volume, or a variant of it?
Share an OE or competitor number, a drawing or target dimensions and your annual volume. Samples available for qualified projects.
- MOQ
- 10 pcs / model
- Lead time
- 30-45 days for standard orders
- Shipping
- FOB Ningbo / Shanghai











