1310
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What 1310 means
| Code | Position | Meaning |
|---|---|---|
1 |
Type | Self-aligning ball bearing |
3 |
Diameter series | Diameter series 3 (medium) |
10 |
Bore | Bore code 10 × 5 = 50 mm |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
1310 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 50 mm | 1.9685 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 110 mm | 4.3307 in | Supplier catalogue listing |
| Width (B) | 27 mm | 1.063 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 | |
Equivalent to / interchanges with
| Brand | Part number | Basis |
|---|---|---|
| TIMKEN | 1310 | Timken Interchange Guide |
Also listed in manufacturer interchange tables (1): confirm suffix codes before ordering
- TIMKEN 1310L (Timken Interchange Guide)
These carry maker-specific suffix codes (cage, lubrication groove, design) that we have not matched one-for-one. The size is the same; check the codes against your application.
Equivalents are dimensional and closure-for-closure: same bore, outside diameter, width, seals or shields and internal clearance. Bearing interchange tables
1310 is a self-aligning ball bearing, 50 mm bore × 110 mm OD × 27 mm wide (1.9685 × 4.3307 × 1.063 in). Published interchange tables list it as equivalent to TIMKEN 1310.
Self-aligning ball bearings feature a double row of balls and a common spherical raceway in the outer ring, allowing the bearing to accommodate angular misalignment between the shaft and housing. This 1310 bearing has a 50 mm bore diameter and belongs to the 13 series.
