PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 7303BG 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.

7303BG specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
17 mm
D - Diameter outside
47 mm
B - Width
14 mm
a - Load application point
20,5 mm
α - Contact angle
40 °
rs - Minimum fillet radius
1 mm
r1s - Minimum fillet radius
0,6 mm
Bearing clearance
CN
Weight
0,109 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
16,4 kN
C0 - Basic static load rating
8,05 kN
Cu - Fatigue load limit
0,63 kN
N lim - Oil lubrication limiting speed
20000 tr/min
N lim - Grease lubrication limiting speed
15000 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
22,5 mm
db min - Minimum shoulder diameter IR
21,5 mm
Da max - Maximum shoulder diameter OR
41,5 mm
Db max - Maximum shoulder diameter OR
42,5 mm
r1a - Maximum fillet radius
0,6 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.