
Images and technical specifications for item RNA4907R.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing RNA4907R belongs to the Needle Roller Bearings family. The technical tables below show the available dimensions, ratings, speeds and mounting limits for this item.
When requesting a quotation, provide the complete item number, required quantity and operating conditions so Cat Son can verify the configuration.
RNA4907R specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- Fw - Shaft bore diameter
- 42 mm
- D - Diameter outside
- 55 mm
- C - Width
- 20 mm
- rs - Minimum fillet radius
- 0,6 mm
- Outer-ring lubrication holes
- Oui/Yes
- k - Diameter of lubrication hole
- 3 mm
- Bearing clearance
- CN
- Precision class
- P0
- Weight
- 0,107 kg
PRODUCT PERFORMANCE
- Cr - Dynamic load rating
- 32 kN
- C0r - Static load rating
- 50 kN
- N lim - Grease lubrication limiting speed
- 6500 tr/min
- N lim - Oil lubrication limiting speed
- 9500 tr/min
- Tmin - Minimum operating temperature
- -20 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- Da max - Maximum shoulder diameter OR
- 51 mm
- ras max - Maximum fillet radius
- 0,6 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.

