Item No :
MR18307 2RSSize (d*D*B) :
18x30x7mmMaterial :
Chrome steel Gcr15Lead Time :
Normally 3-5 daysWeight :
0.016KGPayment Terms :
100% T/T or 30% T/T in advance ,70% before deliveryShipping Port :
Guangzhou, Ningbo, ShanghaiMR18307 2RS Bicycle Hub Bearing Replacement 18×30×7mm
⚙️Product Description:
MR18307‑2RS deep groove ball bearing is designed for bicycle wheel hubs, featuring double rubber seals (2RS) for better protection against dust and water. It provides smooth rotation and long service life under outdoor riding conditions, ideal for bicycle upgrade, replacement, and OEM applications.
⚙️Technical Parameters:
|
Item No. |
MR18307 2RS |
|
Branding |
Famous brand/RMO/Neutral/OEM |
|
Seal Type |
Open, ZZ, 2RS |
|
Material |
Stainless steel (420 440C 304 316), chrome steel Gcr15, hybrid ceramic, full ceramic. |
|
Lead Time |
3-5 days |
|
Precision |
p0 p6 p5 p4 |
| Clearance | C2 C0 C3 C4 |
|
Vibration |
Z1V1, Z2V2, Z3V3 |
|
Cage Material |
Steel, nylon, copper |
|
Shipping Port |
Guangzhou, Ningbo, Shanghai |
|
Payment |
100% T/T, or 30% T/T In Advance ,70% T/T After Finished Production |
⚙️Bearing Features & Advantages:
• Smooth deep groove design
• Double rubber seals 2RS
• Excellent dust & water protection
• High‑speed capability
• Long durability
• Reliable performance in outdoor cycling
| Bearings No. | d*D*H(mm) | WT(KG) | Bearings No. | d*D*H(mm) | WT(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 |
| 6805-RD | 25*37*6 | 0.02 | 24378RS | 24*37*8 | 0.0232 |
| 30406RS | 30*40*6 | 0.018 | 18338RS | 18*33*8 | 0.023 |
| 1. Keep clean | 2. Use with caution | 3. appropriate tool | 4. Hot-loading | 5. Be careful of rust |
| Dust will have a bad effect on the bearing, so keep the surrounding clean. | Strong impact during use can easily cause scratches and indentations. | Avoid replacing existing tools, and use appropriate tools. | Bearings are precision parts, so hot installation is recommended. | Sweat on your hands during operation will cause rust, so it is best to wear gloves. |
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