1210K
Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO tableCouldn't load pickup availability
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What 1210K means
| Code | Position | Meaning |
|---|---|---|
1 |
Type | Self-aligning ball bearing |
2 |
Diameter series | Diameter series 2 (light) |
10 |
Bore | Bore code 10 × 5 = 50 mm |
K |
Bore type | Tapered bore, taper 1:12 (mounts on an adapter or withdrawal sleeve) |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
1210K specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 50 mm | 1.9685 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 90 mm | 3.5433 in | Supplier catalogue listing |
| Width (B) | 20 mm | 0.7874 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 | Tapered bore (1:12) | Stated by the designation | |
| Cage | Steel | Supplier catalogue listing | |
| Tolerance class | Normal (ISO P0 / ABEC 1): no tolerance-class code | Stated by the designation | |
| Material | Steel | Supplier catalogue listing | |
| Dynamic load rating, C | 22.91 kN | 5,150 lbf |
|---|---|---|
| Static load rating, C0 | 8.1 kN | 1,821 lbf |
| Limiting speed, grease | 6,300 rpm | |
| Limiting speed, oil | 8,000 rpm | |
1210K is a self-aligning ball bearing, 50 mm bore × 90 mm OD × 20 mm wide (1.9685 × 3.5433 × 0.7874 in). It has a tapered bore (1:12). NTN catalogue values for 1210K: dynamic load rating C = 22.91 kN, static C0 = 8.1 kN, limiting speed 6,300 rpm on grease, 8,000 rpm on oil.
Self-aligning ball bearings feature two rows of balls running on a spherical outer ring raceway, allowing the bearing to accommodate angular misalignment between the shaft and housing. This 1210K bearing has a 50mm tapered bore (1:12 taper) and includes a TL adapter sleeve with keyway for secure shaft mounting.
Model Number: 1210 K
Bore/Inner Diameter Inch: 1.9685
Bore/Inner Diameter mm: 50
Outside Diameter Inch: 3.5433
Outside Diameter mm: 90
Width Inch: 0.7874
