PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 7318BG 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.

7318BG specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
90 mm
D - Diameter outside
190 mm
B - Width
43 mm
a - Load application point
80,5 mm
α - Contact angle
40 °
rs - Minimum fillet radius
3 mm
r1s - Minimum fillet radius
1,1 mm
Bearing clearance
CN
Weight
5,16 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
173 kN
C0 - Basic static load rating
135 kN
Cu - Fatigue load limit
8,95 kN
N lim - Oil lubrication limiting speed
4500 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
104 mm
db min - Minimum shoulder diameter IR
97 mm
Da max - Maximum shoulder diameter OR
176 mm
Db max - Maximum shoulder diameter OR
183 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.