PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 81124T2 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.

81124T2 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - IR-WS support-washer bore diameter
120 mm
D - Washer outside diameter support OR - GS
155 mm
d1 - IR-WS support-washer outside diameter
155 mm
D1 - OR-GS housing-washer bore diameter
122 mm
T - Height bearing thrust
25 mm
Dw - Rolling-element diameter
11 mm
Dc1 - Roller-cage bore diameter
120 mm
Dc - Roller-cage outside diameter
155 mm
rs - Minimum fillet radius
1 mm
Cage assembly reference
K81124T2
Bearing inner ring WS
WS81124
Bearing outer ring GS
GS81124
Ea - Roller reference outside diameter
148,8 mm
Eb - Roller reference inside diameter
125 mm
Weight
1,17 kg
Cage assembly weight
0,34 kg
Bearing inner ring mass WS
0,415 kg
Bearing outer ring GS mass
0,415 kg

PRODUCT PERFORMANCE

Ca - Dynamic axial load rating
172 kN
C0a - Static axial load rating
655 kN
Cua - Axial load limit
72,5 kN
N lim - Grease lubrication limiting speed
450 tr/min
N lim - Oil lubrication limiting speed
1800 tr/min
Tmin - Minimum operating temperature
-20 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
148 mm
Db max - Maximum shoulder diameter OR
126 mm
ras max - Maximum fillet radius
1 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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