Precision 25x45x15mm RN205EM Cylindrical Roller Bearing Without Outer Ring
| Item No : | RN205EM |
| Size (d*D*B) : | 25x45x15mm |
| Material : | |
| Lead Time : | 3-5 days |
| Weight : | 0.09KG |
| MOQ : | 50 pcs |
⚙️Product Description:
Sourcing high-capacity roller bearings for radial space-constrained designs? Our RMO Brand RN205EM Single Row Cylindrical Roller Bearing (25x45x15mm) is a premium specialized component engineered without an outer ring. By enabling the rollers to run directly inside a hardened housing bore (45mm), it maximizes shaft rigidity and radial load capacity within an ultra-compact envelope. Featuring a robust, machined solid brass cage (EM design), it guarantees low friction and excellent stability under demanding industrial loads. As a flexible B2B trade expert, we supply cost-effective RMO factory-direct lots or source authentic top-tier international brands to secure your wholesale margins.
⚙️Product Features:
- Outer-Ringless Space Optimization: Designed without an outer ring, allowing the 25x45x15mm assembly to interface directly with the housing, drastically reducing radial mounting space requirements.
- Premium Machined Brass Cage (EM): The heavy-duty brass retainer provides superior shock resistance, excellent self-lubricating properties, and reliable operation under high-temperature or heavy-vibration environments.
- Exceptional Radial Load Capacity: Cylindrical rollers offer a much larger radial contact area than standard ball bearings, delivering outstanding rigid support for heavy-duty industrial drives.
- Super-Finished Inner Ring & Rollers: Advanced raceway and roller grinding minimize kinetic friction, preventing thermal buildup and ensuring smooth, high-rpm operation.
- Dual-Brand Supply Advantage: Optimize your purchasing strategy with direct bulk supply of our trusted RMO brand, or request authentic international premium brands through our professional sourcing network.
⚙️Product Application:
Engineered to provide maximum radial stiffness and space savings in premium transmission systems, the RN205EM bearing is widely utilized in:
- Heavy-duty industrial gearboxes, speed reducers, and mining machinery drive shafts.
- Automotive transmissions, commercial vehicle gearboxes, and agricultural power trains.
- Textile machinery rollers, paper mill equipment, and printing press printing cylinders.
- Large electric motors, high-frequency vibratory machinery, and machine tool spindles.
- Global industrial power transmission distributors, B2B hardware wholesalers, and machinery OEM buyers.
⚙️Precautions:
| 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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⚙️Obtain Certificate:
About Rimao
Since its establishment in 2011, Rimao Bearing has combined international vision with local wisdom and injected innovative ideas into every bearing and pulley with its profound industry accumulation and unremitting pursuit of technology. We have not only passed CE and ROHS certification, but also set a new benchmark in the industry and led the development trend of the bearing industry.
We are not just a ball bearing and roller bearing importer and wholesaler. We provide real solutions to help you achieve the product and design goals set by your customers. With more than 20 years of production and sales experience, tens of thousands of models and specifications, we look forward to cooperating with you!
⚙️Technical Parameters:
| Model No. | RN205EM |
| Bearing Type | Cylindrical Roller Bearing without Outer Ring |
| Size | 25x45x15mm |
| Ring & Roller Material | Premium GCr15 Chrome Steel |
| Cage Material | Machined Solid Brass Cage / EM Design |
| Precision Class | P0 / P6 |
| Working Temperature Range | -30°C to +120°C |
| Brand | RMO/Neutral/OEM/Other Brands |
| Package | |
| Lead Time | 3-5 days for stock; 7-15 days for bulk orders |
| Service | Support Sample Testing |
| Shipping | |
| Payment | 100% T/T, or 30% T/T In Advance, 70% T/T After Finished Production |
| Model No. | d | D | H | m |
| RN204 | 20 mm | 40 mm | 14 mm | 0.08 KG |
| RN205 | 25 mm | 45 mm | 15 mm | 0.09 KG |
| RN206 | 30 mm | 53.5 mm | 16 mm | 0.14 KG |
| 502206W1 | 30 mm | 53.5 mm | 16 mm | 0.14 KG |
| RN206E | 30 mm | 53.5 mm | 16 mm | 0.13 KG |
| 502206EA | 30 mm | 53.5 mm | 16 mm | 0.31 KG |
| RN606M | 30 mm | 60 mm | 26 mm | 0.34 KG |
| RN606M-1 | 30 mm | 68 mm | 26 mm | 0.43 KG |
| RN208 | 40 mm | 70 mm | 18 mm | 0.27 KG |
| RN208E | 40 mm | 71.5 mm | 18 mm | 0.24 KG |
| RN307 | 35 mm | 68.2 mm | 21 mm | 0.32 KG |
| RN309 | 45 mm | 86.5 mm | 25 mm | 0.61 KG |
| RN310 | 50 mm | 95 mm | 27 mm | 0.8 KG |
| RN312 | 60 mm | 113 mm | 31 mm | 1.28 KG |
| RN313 | 65 mm | 121.5 mm | 33 mm | 1.57 KG |
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