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.