6301-2RLD-C3
Higher load capacity than the 6200 series for the same bore size. Used where heavier radial loads are expected.
SKF6301-2RS1 C312 × 37 × 12mm
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Geometry100%
12 × 37 × 12mm
Sealing100%
Rubber sealed → 2RS1 / 2RSR / DDU / LLU
Load rating100%
Cr 10.1 kN / C₀r 4.15 kN
Speed100%
28,000 rpm (grease)
Specifications
| Bore diameter (d) | 12 mm |
| Outer diameter (D) | 37 mm |
| Width (B) | 12 mm |
| Dynamic load rating (C) | 10.1 kN |
| Static load rating (C₀) | 4.15 kN |
| Weight | 57.4 g |
| Max speed (grease) | 28,000 rpm |
| Max speed (oil) | 45,000 rpm |
Why This Match Is Correct
✓Exact dimensional match (bore, OD, width)
✓Load ratings within tolerance
✓Seal type verified via manufacturer tables
✓Speed rating compatible
Equivalents Across Brands
| Brand | Part Number | Seal | Clearance | Status |
|---|---|---|---|---|
| SKF | 6301-2RS1 C3 | 2RS | C3 | Probable |
| FAG | 6301-2RSR-C3 | 2RS | C3 | Probable |
| NSK | 6301DDU C3E | 2RS | C3 | Verified |
| NTN | 6301LLU/C3 | 2RS | C3 | Probable |
| Timken | 6301-2RS C3 | 2RS | C3 | Probable |
Internal Clearance
Greater Than Normal (C3)
Increased radial internal clearance. Required when bearings operate at elevated temperatures or with tight shaft fits.
Best forHigh-temperature applications. Tight interference fits. Electric motors with frequent starts/stops.
Temperature70-150°C operating temperature
Seal Type
Rubber Sealed (2RS)
Rubber contact seals on both sides. Superior protection from contaminants. Pre-lubricated, maintenance-free.
Best forDirty, dusty, or wet environments. Applications requiring long maintenance-free operation.
Avoid forVery high-speed applications (seal friction limits top speed). Environments exceeding 110°C.
Examples
- Agricultural machinery
- Conveyor rollers
- Automotive components
- Outdoor equipment
- Washing machines
Where This Bearing Is Used
Heavy-duty electric motorsIndustrial pumpsConveyor systemsMining equipmentConstruction machineryAgricultural equipmentHeavy gearboxesCompressorsPaper and steel millsVibrating screensSmall electric motors (fractional HP)Fans and blowersPower tools (drills, grinders)Office equipment (printers, copiers)Household appliancesSkateboards and roller skatesRC vehicles and hobby motors
Heavy industryMiningConstructionPaper & pulpSteel
Other Variants Available
Same bearing geometry — different seal and clearance configurations.
| SKF Part Number | Seal Type | Clearance |
|---|---|---|
| 6301 | Open (No Seal) | CN |
| 6301 C3 | Open (No Seal) | C3 |
| 6301-2Z | ZZ | CN |
| 6301-2Z C3 | ZZ | C3 |
| 6301-2RS1 | 2RS | CN |
| 6301-2RS1 C3 | 2RS | C3 |