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OTT SA6303-2RSM-4PT Four-Point Contact Alternator Bearing

Alternator Bearings

SA6303-2RSM-4PT Four-Point Contact Alternator Bearing

Part No.SA6303-2RSM-4PT

OTT SA6303-2RSM-4PT is a four-point contact ball bearing for automotive alternators. Its 17×47×14 mm boundary dimensions match the standard 6303 size, while its internal contact geometry differs from a deep groove bearing. Specifications include P6 accuracy, C3 radial clearance (0.011–0.025 mm), brown ACM+SPCC seals and WTP grease fill of 25–35%. Match the four-point contact structure and drawing specification during selection. The product image illustrates the SA6303-2RSM family; refer to the 4PT drawing for the four-point contact configuration. OTT reports Pramo alternator applications for this 4PT model.

Bore (d)
17 mm
Outer dia. (D)
47 mm
Width
14 mm
MOQ
1000 pcs
Lead time
30-45 days for standard orders
Shipping
FOB Ningbo / Shanghai

Technical data

Specifications

Dimensions17×47×14 mm
Seal / Marking2RSM; brown ACM+SPCC seals; C3 internal clearance
StructureFour-point contact ball (OTT confirmation)
Assembly ManufacturerPramo (OTT confirmation)

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.

OTT branded boxes and PE bags
OTT carton boxes
Complete OTT packaging lineup
OTT single carton box
OTT branded boxes with wheel hub bearing kit in anti-rust bags
OTT wooden crate for export

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Request for quotation

Need SA6303-2RSM-4PT 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
1000 pcs / model
Lead time
30-45 days for standard orders
Shipping
FOB Ningbo / Shanghai
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