Bicycle Bearing
The MR18307 bicycle bearings are suitable for a variety of bicycle drums, providing stable rotation support and durable performance.
Model number: MR18307 2RS
Size: 18x30x7mm
Materials: Gcr15.chrome steel
Weight: 0.016KG
MOQ: 100pcs
Specification
The MR18307-2RS thin bicycle bearing is a high-precision bearing specifically designed for bicycles. Featuring a double-sided sealed (2RS) construction, it effectively prevents dust and moisture ingress, extending its service life.
Technical parameter:
| Model Number | MR18307 2RS |
| Size | 18x30x7mm |
| Weight | 0.27KG |
| Material | Gcr15.chrome steel |
| Clearance | C2 C0 C3 C4 |
| Precision Grade | p0 p6 p5 p4 |
| Service | OEM/ODM |
| Brand name | famous brand/RMO/Neutral/OEM |
| Payment | 100% T/T or 30% T/T before production, 70% before delivery |
| Shipping Port | GuangZhou, NingBo, ShangHai |
| Lubrication | Pre-lubricated with High-Performance Grease |
| Temperature Range | -20°C to +120°C |
| Lead Taime | 3-5 Days |
MR18307-2RS slim bicycle bearing features a compact design and double-sided sealing (2RS) construction, effectively preventing contaminant ingress to ensure low-friction, smooth operation. Widely used in bicycle wheels, drivetrains, and brake components, it offers high load capacity, wear resistance, and corrosion resistance. This bearing delivers lasting performance under various weather conditions, guaranteeing a smooth and efficient riding experience.
Related Products
| Bearings NO. | ID(d*D*B)mm | Weight (KG) | Bearings NO. | ID(d*D*B)mm | Weight (KG) |
| 12267RS | 12*26*7 | 0.0151 | 19307RS | 19*30*7 | 0.0234 |
| 15267RS | 15*26*7 | 0.0124 | 190537RS | 19.05*37*9 | 0.004 |
| 152610RS | 15*26*10 | 0.012 | 19317RS | 19*31*7 | 0.023 |
| 16257RS | 16*25*7 | 0.014 | 19379RS | 19*37*9 | 0.037 |
| 16287RS | 16*28*7 | 0.014 | 22317RS | 22*31*7 | 0.032 |
| 17287RS | 17*28*7 | 0.0131 | 22379RS | 22*37*9 | 0.037 |
| 163110RS | 16*31*10 | 0.0258 | 215317RS | 21.5*31*7 | 0.014 |
| 173110RS | 17*31*10 | 0.0254 | 24377RS | 24*37*7 | 0.019 |
| 6805RD | 25*37*6 | 0.02 | 24378RS | 24*37*8 | 0.0232 |
| 30406RS | 30*40*6 | 0.018 | 18338RS | 18*33*8 | 0.023 |
Features
Rubber Seals (2RS): Protects against dirt, dust, and moisture, ensuring longer bearing life.
Thin Wall Design: Reduces weight while maintaining strength, ideal for lightweight bicycles.
Smooth Rotation: Precision manufacturing ensures low friction and high efficiency.
Pre-lubricated: Factory-filled with grease for maintenance-free operation.
Common Applications:
Bicycle hubs (wheel bearings)
Bottom brackets
Pedal bearings
Roller sports (e.g., skateboards, inline skates)
Electric scooters and small machinery
