The CRF 6307 NR Bearing 35X86,6X21 is a precision-engineered deep groove ball bearing with a snap ring. Manufactured by CRF, this bearing is meticulously designed for applications requiring reliable axial and radial load handling. With a bore diameter of 35 mm, an outer diameter of 86.6 mm, and a width of 21 mm, it is commonly utilized in various industrial machinery. This bearing ensures optimal performance in environments where accurate handling of both static and dynamic loads is critical.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 35 mm |
| Outer diameter (D) | 86.6 mm |
| Width (B) | 21 mm |
| Basic dynamic load rating (C) | 37.3 kN |
| Basic static load rating (C0) | 22.3 kN |
| Limiting speed | 9,500 rpm |
| Cage type | Pressed steel |
| Shielding / Sealing | Open with Snap Ring |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
Technical advantages
The CRF 6307 NR Bearing offers several technical benefits that enhance its functionality in demanding applications:
- Capable of supporting dynamic loads up to 37.3 kN, accommodating various industrial demands.
- High limiting speed of 9,500 rpm, suitable for high-speed operations in industrial machinery.
- Constructed from heat-treated chrome steel 100Cr6, ensuring a rolling-contact fatigue life exceeding 107 cycles.
- Standard P0 precision class, providing adequate accuracy for most general industrial applications.
- Open configuration with a snap ring, facilitating easy installation and maintenance.
Typical applications
The 6307 NR Bearing is widely used across various sectors due to its robust design and technical capabilities:
- Textile machinery (spinning frames, weaving looms)
- Automotive industry (gearboxes, differential systems)
- Industrial fans and blowers (axial and radial fans)
- Construction equipment (conveyor systems, excavators)
- Electric motors and generators (rotor shafts, stator assemblies)
Availability and ordering
Eurobearing.eu is your trusted B2B supplier for mechanical industrial components. The CRF 6307NR-ECO is readily available for purchase. For bulk orders or specific inquiries, we encourage you to request a quotation. Add the 6307 NR Bearing to your cart today to ensure efficient and reliable operation in your machinery.

