
Images and technical specifications for item K25X31X21.
PRODUCT INFORMATION
Description and selection guidance
NTN Bearing K25X31X21 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.
K25X31X21 specifications
TECHNICAL SPECIFICATIONS
- Brand / Manufacturer
- NTN
- Fw - Shaft bore diameter
- 25 mm
- Ew - Upper roller diameter
- 31 mm
- Bc - Width lồng
- 21 mm
- Weight
- 0,026 kg
PRODUCT PERFORMANCE
- Cr - Dynamic load rating
- 22,5 kN
- C0r - Static load rating
- 33 kN
- N lim - Grease lubrication limiting speed
- 11000 tr/min
- N lim - Oil lubrication limiting speed
- 16000 tr/min
- Tmin - Minimum operating temperature
- -20 °C
- Tmax - Maximum operating temperature
- 120 °C
LIMITS
- b - Width vòng ổ lăn
- 21 mm
NTN ITEM SUPPORT
Send the current item and operating conditions.
Cat Son can compare dimensions, design and mounting conditions before quotation.

