High-performance MR115-2RS miniature deep groove ball bearing designed for fishing reels, RC vehicles, drones, micro motors, and precision rotating equipment. Engineered for low noise, smooth rotation, and long service life.
Size: 5×11×4mm
Double Rubber Sealed (2RS)
High-Speed Performance
Low Noise & Low Friction
OEM & Custom Solutions Available
| Bearing Model | MR115-2RS |
| Bore Diameter (d) | 5 mm |
| Outer Diameter (D) | 11 mm |
| Width (B) | 4 mm |
| Bearing Type | Deep Groove Ball Bearing |
| Seal Type | Double Rubber Seal (2RS) |
| Material | Chrome Steel / Stainless Steel / Hybrid Ceramic |
| Precision Grade | ABEC-1 / ABEC-3 / ABEC-5 / ABEC-7 |
| Lubrication | Grease or Oil |
Precision raceway grinding minimizes vibration and ensures smooth operation at high rotational speeds.
Optimized internal geometry provides quieter operation for premium fishing reels and high-performance RC systems.
High-grade steel and strict heat treatment improve fatigue resistance and durability.
Double rubber seals protect against dust, moisture, and contaminants.
MR115-2RS bearings are commonly used in spool systems, handle knobs, line rollers, and gear support assemblies.
Smoother casting performance
Reduced startup resistance
Improved retrieval smoothness
Longer service life
Designed for wheel hubs, gearboxes, differentials, and brushless motors operating under high-speed conditions.
Lower rolling resistance
Reduced motor load
Improved drivetrain efficiency
Enhanced durability
Suitable for lightweight precision systems requiring stable high-RPM operation.
Chrome Steel MR115-2RS
Cost-effective solution for RC vehicles, electric motors, and general industrial applications.
Stainless Steel MR115-2RS
Excellent corrosion resistance for fishing reels and outdoor equipment.
Hybrid Ceramic MR115-2RS
Lower friction, higher speed capability, and extended service life.
| Feature | MR115-2RS | MR115-ZZ |
|---|---|---|
| Seal Type | Rubber Seal | Metal Shield |
| Dust Protection | Excellent | Good |
| Water Resistance | Better | Limited |
| Fishing Reel Use | Recommended | Acceptable |
| Outdoor Applications | Recommended | Less Suitable |
Low-cost bearings often result in higher maintenance costs and premature failures.
Different applications require different grease or oil specifications.
Saltwater fishing reels require stainless steel or ceramic bearing solutions.
Bearing life also depends on material quality, raceway finish, and lubrication.
Always request inspection reports and material certifications before bulk orders.
ISO 9001 Certified Manufacturing
Material Traceability System
Noise & Vibration Testing
Dimensional Inspection
Runout Verification
RoHS & REACH Compliance
The bearing dimensions are 5mm × 11mm × 4mm.
Yes, it is widely used in spool and handle systems.
MR115-2RS provides better contamination protection due to rubber seals.
Yes, customized stainless steel and hybrid ceramic options are available.
Looking for a reliable miniature bearing supplier? Contact TOJO today for pricing, samples, technical support, and OEM customization.