PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 89312 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.

89312 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - IR-WS support-washer bore diameter
60 mm
D - Washer outside diameter support OR - GS
110 mm
d1 - IR-WS support-washer outside diameter
110 mm
D1 - OR-GS housing-washer bore diameter
62 mm
T - Height bearing thrust
30 mm
Dw - Rolling-element diameter
9 mm
Dc1 - Roller-cage bore diameter
60 mm
Dc - Roller-cage outside diameter
110 mm
rs - Minimum fillet radius
1,1 mm
Cage assembly reference
K89312
Bearing inner ring WS
WS89312
Bearing outer ring GS
GS89312
Ea - Roller reference outside diameter
105,3 mm
Eb - Roller reference inside diameter
68,9 mm
Weight
1,35 kg
Cage assembly weight
0,25 kg
Bearing inner ring mass WS
0,55 kg
Bearing outer ring GS mass
0,55 kg

PRODUCT PERFORMANCE

Ca - Dynamic axial load rating
162 kN
C0a - Static axial load rating
600 kN
Cua - Axial load limit
73,5 kN
N lim - Grease lubrication limiting speed
680 tr/min
N lim - Oil lubrication limiting speed
2700 tr/min
Tmin - Minimum operating temperature
-20 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
105 mm
Db max - Maximum shoulder diameter OR
69 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.