PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 21320KD1C3 belongs to the Spherical Roller 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.

21320KD1C3 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
100 mm
D - Diameter outside
215 mm
B - Width
47 mm
d2 - Diameter rib of inner ring
133 mm
D1 - Diameter rib/groove of outer ring
179 mm
rs - Minimum fillet radius
3 mm
b - Width of lubrication groove
9 mm
k - Diameter of lubrication hole
5 mm
Sleeve reference
H320
Bearing clearance
C3
Weight
8,78 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
410 kN
C0 - Basic static load rating
465 kN
Cu - Fatigue load limit
42,5 kN
e - Limiting value
0.22
Y0 - Static axial load factor
2.94
Y1 - Lower axial load factor
3.01
Y2 - Upper axial load factor
4.48
N lim - Oil lubrication limiting speed
2600 tr/min
N lim - Grease lubrication limiting speed
2000 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
114 mm
db - Diameter minimum for sleeve
108 mm
Ce - Minimum sleeve length
7 mm
Da max - Maximum shoulder diameter OR
201 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.