The 6001 2RS MTM 12x28x8 sealed deep groove ball bearing offers excellent protection, compact dimensions, and reliable performance for a wide range of industrial and mechanical uses.
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The 6001 2RS MTM is a deep groove ball bearing with dual rubber seals (2RS) and boundary dimensions of 12 mm inner diameter, 28 mm outer diameter, and 8 mm width. This sealed design makes it especially suitable for applications where contamination protection is critical — such as motors, pumps, conveyors, gearboxes, automation drives, household appliances, and industrial equipment.
In global searches, users often type “6001 2RS sealed bearing”, “6001 2RS 12x28x8”, “6001 2RS MTM bearing”, “6001 2RS ball bearing”, or “sealed deep groove bearing 6001 2RS”.
The dual rubber seals help retain grease and exclude dust, moisture, and fine particles, which improves reliability, reduces maintenance needs, and extends useful life in challenging environments.
Dual rubber seals (2RS) on both sides, offering excellent protection against contamination and grease leakage.
Pre-lubricated at the factory, ready for use without immediate re-greasing.
Low friction operation due to precise geometry and high-quality seals, making it suitable for higher speeds.
Robust and versatile: handles radial loads and modest axial loads in both directions.
Compact design (12x28x8 mm) — optimal where space is limited.
Durability and fatigue resistance — quality materials and surface finishes ensure long service life.
| Parameter | Value / Notes |
|---|---|
| Bore (d) | 12 mm |
| Outer diameter (D) | 28 mm |
| Width (B) | 8 mm |
| Bearing type | Single-row deep groove ball bearing |
| Seal type | Dual rubber seals (2RS) |
| Internal clearance | Normal (standard for sealed bearings) |
| Basic dynamic load rating (Cr) | ≈ 6.40 kN (per Koyo spec for 6001 2RS) |
| Basic static load rating (C0r) | ≈ 2.40 kN |
| Limiting speed (grease) | ~17,000 rpm |
| Mass | ~0.022 kg (22 g) |
| Materials | Chromed steel (bearing grade) and rubber seals |
Note: Load ratings, speeds, and other parameters may vary slightly depending on manufacturer tolerances, lubrication, and operating environment. Always check the datasheet for your specific part.
Q: What does “2RS” mean in 6001 2RS?
A: “2RS” indicates the bearing has rubber seals on both sides, providing protection against dust, moisture, and contaminants while retaining internal lubrication.
Q: Is the bearing ready to use or needs lubrication?
A: The 6001 2RS MTM comes pre-lubricated at factory, so it is typically ready for immediate installation and operation under normal conditions.
Q: Where is this bearing used?
A: It is used in electric motors, pumps, gearboxes, small machinery, appliances, robotics, and other systems requiring sealed bearings with compact size.
Q: Can the sealed design affect speed or friction?
A: The seals do introduce slight additional friction compared to open bearings, but the effect is minimal if high-quality seals and precision tolerances are used.
Q: Can I use this bearing in dusty or humid environments?
A: Yes — thanks to the dual rubber seals, it is more resistant to dust and moisture than open bearings. However, for very harsh or wet conditions, further protection or special bearing types may be considered.
Data sheet