1303
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What 1303 means
| Code | Position | Meaning |
|---|---|---|
1 |
Type | Self-aligning ball bearing |
3 |
Diameter series | Diameter series 3 (medium) |
03 |
Bore | Bore code 03 = 17 mm (codes 00, 01, 02 and 03 are fixed at 10, 12, 15 and 17 mm) |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
1303 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 17 mm | 0.6693 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 47 mm | 1.8504 in | Supplier catalogue listing |
| Width (B) | 14 mm | 0.5512 in | Supplier catalogue listing |
| Bearing type | Self-aligning ball bearing | Stated by the designation | |
| Seals / shields | Open (no seals or shields) | Stated by the designation | |
| Internal clearance | Normal (CN): no clearance code in the designation | Stated by the designation | |
| Bore | Cylindrical (straight) bore | Stated by the designation | |
| Tolerance class | Normal (ISO P0 / ABEC 1): no tolerance-class code | Stated by the designation | |
1303 is a self-aligning ball bearing, 17 mm bore × 47 mm OD × 14 mm wide (0.6693 × 1.8504 × 0.5512 in).
The 1303 is a self-aligning ball bearing with a 17mm bore diameter from the 13 series. Self-aligning ball bearings feature two rows of balls running on a spherical outer ring raceway, allowing the bearing to automatically compensate for angular misalignment between the shaft and housing.
Model Number: 1303
Bore/Inner Diameter Inch: 0.6693
Bore/Inner Diameter mm: 17
Outside Diameter Inch: 1.8504
Outside Diameter mm: 47
Width Inch: 0.5512
