6001 Bearing Dimensions and Cross Reference
6001 = 12 mm bore, 28 mm OD, 8 mm width; deep groove ball bearing, ISO 15.
Verified dimensions
| Bore (d) | 12 mm |
|---|---|
| Outer Diameter (D) | 28 mm |
| Width (B) | 8 mm |
| Type | Deep Groove Ball Bearing |
| Standard | ISO 15 |
In the diagram and table, d is bore diameter, D is outside diameter and B is width.
Sources and evidence
Boundary dimensions are traced to the cited standard. Brand designations and suffixes are checked against the official catalog entry linked for each manufacturer.
Cross-Reference by Brand
| Brand | Part No. | Contact seal | Shield | Boundary dims | Catalog |
|---|---|---|---|---|---|
| SKF | 6001 | 2RSH | 2Z | match | SKF catalog ↗ |
| NSK | 6001 | DDU | ZZ | match | NSK catalog ↗ |
| FAG | 6001 | 2RSR | 2ZR | match | FAG catalog ↗ |
| NTN | 6001 | LLU | ZZ | match | NTN catalog ↗ |
| KOYO | 6001 | 2RS | ZZ | match | KOYO catalog ↗ |
| NACHI | 6001 | 2NSE | ZE | match | NACHI catalog ↗ |
| Timken | 6001 | 2RS | ZZ | match | Timken catalog ↗ |
| INA | 6001 | 2RSR | 2ZR | match | INA catalog ↗ |
Interchange notes
A 6001 match is the complete 12×28×8 mm boundary envelope, not a designation-family guess. Confirm the 12 mm bore together with the 28 mm OD and 8 mm width.
For 6001, the verified table maps contact seals to SKF 2RSH, NSK DDU, FAG/INA 2RSR, NTN LLU, KOYO/Timken 2RS and NACHI 2NSE. Shielded variants use the brand-specific 2Z, ZZ, 2ZR or ZE codes shown below.
Manufacturer checks before substitution
Confirm load rating, speed limit, internal clearance, precision class, lubrication and application suitability in the official manufacturer catalog for the exact brand and suffix. This page does not supply those values or make an application recommendation. Review the interchange rules before selecting a substitute.
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FAQ
What does 12×28×8 mm mean for a 6001 bearing?
It means d = 12 mm bore, D = 28 mm outside diameter and B = 8 mm width under ISO 15.
How is a sealed 6001 identified by SKF, NSK and FAG?
The verified suffix table lists SKF 6001-2RSH, NSK 6001-DDU and FAG 6001-2RSR for contact-seal variants. Use the linked catalog to confirm the exact construction.
What must match before substituting a 6001?
Start with the full 12×28×8 mm envelope and the required open, sealed or shielded variant. Manufacturer-specific operating fields still require catalog confirmation.
Related sizes
Boundary-dimension cross-reference only. Per the applicable ISO standard (ISO 15 for ball, ISO 355 for tapered), the boundary dimensions are common across brands, so the mounting envelope is interchangeable. This is NOT a drop-in part equivalence. Internal clearance, precision class, seal/shield type (where applicable), cage material and factory lubrication are encoded in brand-specific suffixes and must be matched separately. Always verify against the manufacturer's catalog before substituting.