PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 81226 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.

81226 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - IR-WS support-washer bore diameter
130 mm
D - Washer outside diameter support OR - GS
190 mm
d1 - IR-WS support-washer outside diameter
187 mm
D1 - OR-GS housing-washer bore diameter
133 mm
T - Height bearing thrust
45 mm
Dw - Rolling-element diameter
19 mm
Dc1 - Roller-cage bore diameter
130 mm
Dc - Roller-cage outside diameter
190 mm
rs - Minimum fillet radius
1,5 mm
Cage assembly reference
K81226
Bearing inner ring WS
WS81226
Bearing outer ring GS
GS81226
Ea - Roller reference outside diameter
179 mm
Eb - Roller reference inside diameter
140,1 mm
Weight
4,2 kg
Cage assembly weight
1,14 kg
Bearing inner ring mass WS
1,53 kg
Bearing outer ring GS mass
1,53 kg

PRODUCT PERFORMANCE

Ca - Dynamic axial load rating
360 kN
C0a - Static axial load rating
1210 kN
Cua - Axial load limit
128 kN
N lim - Grease lubrication limiting speed
380 tr/min
N lim - Oil lubrication limiting speed
1500 tr/min
Tmin - Minimum operating temperature
-20 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
178 mm
Db max - Maximum shoulder diameter OR
140 mm
ras max - Maximum fillet radius
1,5 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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