PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 7021UADG/GNP42U3G 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.

7021UADG/GNP42U3G specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
105 mm
D - Diameter outside
160 mm
B - Width
26 mm
d1 - Inner-ring outside diameter
123,5 mm
d2 - Diameter rib of inner ring
119,2 mm
D1 - Diameter rib/groove of outer ring
141,5 mm
D2 - Outer-ring inside diameter
150,2 mm
a - Load application point
44,1 mm
α - Contact angle
25 °
rs - Minimum fillet radius
2 mm
r1s - Minimum fillet radius
1 mm
Precision class
P42
Weight
1,58 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
95 kN
C0 - Basic static load rating
89 kN
f0 - Factor
16.1
N lim - Oil lubrication limiting speed
12400 tr/min
N lim - Grease lubrication limiting speed
7700 tr/min
Preload level
GN
Preload value
0,86 kN
Axial stiffness
320 N/µm
Radial stiffness
680 N/µm
Tmin - Minimum operating temperature
-20 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
115 mm
Da max - Maximum shoulder diameter OR
150 mm
Db max - Maximum shoulder diameter OR
154,5 mm
r1a - Maximum fillet radius
1 mm
ra max - Maximum fillet radius shaft & housing
2 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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