PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 7008UG/GNP42 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.

7008UG/GNP42 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
40 mm
D - Diameter outside
68 mm
B - Width
15 mm
d1 - Inner-ring outside diameter
49,7 mm
d2 - Diameter rib of inner ring
47,7 mm
D1 - Diameter rib/groove of outer ring
58,3 mm
D2 - Outer-ring inside diameter
62,5 mm
a - Load application point
23,2 mm
α - Contact angle
30 °
rs - Minimum fillet radius
1 mm
r1s - Minimum fillet radius
0,6 mm
Precision class
P42
Weight
0,19 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
21,6 kN
C0 - Basic static load rating
15,4 kN
N lim - Oil lubrication limiting speed
21700 tr/min
N lim - Grease lubrication limiting speed
15900 tr/min
Preload level
GN
Preload value
0,255 kN
Tmin - Minimum operating temperature
-20 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
45,5 mm
Da max - Maximum shoulder diameter OR
62,5 mm
Db max - Maximum shoulder diameter OR
63,5 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.