PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 6821Z 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.

6821Z specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
105 mm
D - Diameter outside
130 mm
B - Width
13 mm
rs - Minimum fillet radius
1 mm
Bearing clearance
CN
Weight
0,33 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
22 kN
C0 - Basic static load rating
22 kN
Cu - Fatigue load limit
1,35 kN
f0 - Factor
15.9
N lim - Oil lubrication limiting speed
5400 tr/min
N lim - Grease lubrication limiting speed
4600 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
110 mm
Da max - Maximum shoulder diameter OR
125 mm
ra max - Maximum fillet radius shaft & housing
1 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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