PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 7908UCG/GMP42 belongs to the Precision 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.

7908UCG/GMP42 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
40 mm
D - Diameter outside
62 mm
B - Width
12 mm
d1 - Inner-ring outside diameter
47,6 mm
d2 - Diameter rib of inner ring
45,9 mm
D1 - Diameter rib/groove of outer ring
54,4 mm
D2 - Outer-ring inside diameter
57,8 mm
a - Load application point
12,9 mm
α - Contact angle
15 °
rs - Minimum fillet radius
0,6 mm
r1s - Minimum fillet radius
0,3 mm
Precision class
P42
Weight
0,11 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
16 kN
C0 - Basic static load rating
11,8 kN
f0 - Factor
15.9
N lim - Oil lubrication limiting speed
36800 tr/min
N lim - Grease lubrication limiting speed
23000 tr/min
Preload level
GM
Preload value
0,177 kN
Tmin - Minimum operating temperature
-20 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
44,5 mm
Da max - Maximum shoulder diameter OR
57,5 mm
Db max - Maximum shoulder diameter OR
59,5 mm
r1a - Maximum fillet radius
0,3 mm
ra max - Maximum fillet radius shaft & housing
0,6 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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