PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 7320B belongs to the Angular Contact 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.

7320B specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
100 mm
D - Diameter outside
215 mm
B - Width
47 mm
a - Load application point
89,5 mm
α - Contact angle
40 °
rs - Minimum fillet radius
3 mm
r1s - Minimum fillet radius
1,1 mm
Bearing clearance
CN
Weight
7,32 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
211 kN
C0 - Basic static load rating
178 kN
Cu - Fatigue load limit
11,1 kN
N lim - Oil lubrication limiting speed
4000 tr/min
N lim - Grease lubrication limiting speed
3000 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
114 mm
db min - Minimum shoulder diameter IR
107 mm
Da max - Maximum shoulder diameter OR
201 mm
Db max - Maximum shoulder diameter OR
208 mm
r1a - Maximum fillet radius
1 mm
ra max - Maximum fillet radius shaft & housing
2,5 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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