PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 81206 belongs to the Cylindrical Roller Thrust 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.

81206 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - IR-WS support-washer bore diameter
30 mm
D - Washer outside diameter support OR - GS
52 mm
d1 - IR-WS support-washer outside diameter
52 mm
D1 - OR-GS housing-washer bore diameter
32 mm
T - Height bearing thrust
16 mm
Dw - Rolling-element diameter
7,5 mm
Dc1 - Roller-cage bore diameter
30 mm
Dc - Roller-cage outside diameter
52 mm
B - Ring thickness
4,25 mm
rs - Minimum fillet radius
0,6 mm
Cage assembly reference
K81206
Bearing inner ring WS
WS81206
Bearing outer ring GS
GS81206
Ea - Roller reference outside diameter
49 mm
Eb - Roller reference inside diameter
32,8 mm
Weight
0,14 kg
Cage assembly weight
0,05 kg
Bearing inner ring mass WS
0,045 kg
Bearing outer ring GS mass
0,045 kg
Precision class
P0

PRODUCT PERFORMANCE

Ca - Dynamic axial load rating
53 kN
C0a - Static axial load rating
129 kN
Cua - Axial load limit
15,7 kN
N lim - Grease lubrication limiting speed
1500 tr/min
N lim - Oil lubrication limiting speed
6000 tr/min
Tmin - Minimum operating temperature
-20 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
48 mm
Db max - Maximum shoulder diameter OR
33 mm
ras max - Maximum fillet radius
0,6 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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