PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 6221CM belongs to the Deep Groove Ball 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.

6221CM specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
105 mm
D - Diameter outside
190 mm
B - Width
36 mm
rs - Minimum fillet radius
2,1 mm
Bearing clearance
CM
Weight
3,7 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
147 kN
C0 - Basic static load rating
105 kN
Cu - Fatigue load limit
6,75 kN
f0 - Factor
14.4
N lim - Oil lubrication limiting speed
4000 tr/min
N lim - Grease lubrication limiting speed
3400 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
116 mm
Da max - Maximum shoulder diameter OR
179 mm
ra max - Maximum fillet radius shaft & housing
2 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

Cat Son can compare dimensions, design and mounting conditions before quotation.