PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 29456E belongs to the Spherical 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.

29456E specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Washer inside diameter shaft
280 mm
D - Washer outside diameter housing
520 mm
D1 - Diameter rib of outer ring
370,8 mm
d1 - Shaft-washer end-face outside diameter
468,9 mm
T - Height bearing thrust
145 mm
C - Housing-washer width
70 mm
B - Shaft-washer width
95 mm
B2 - Large-face distance between shaft washer and metal cage
125 mm
a - Load application point
166 mm
Cage material
Tôle
Weight
127 kg

BEARING FREQUENCIES

BPFO - Outer-ring overrolling frequency (60 rpm)
8,056 Hz
BPFI - Inner-ring overrolling frequency (60 rpm)
9,944 Hz
BSF - Rolling-element overrolling frequency (60 rpm)
5,829 Hz
BRF - Roller rotational frequency
2,915 Hz
FTF - Cage rotational frequency (60 rpm)
0,448 Hz

PRODUCT PERFORMANCE

Ca - Dynamic axial load rating
4460 kN
C0a - Static axial load rating
15800 kN
Cua - Axial load limit
1270 kN
N lim - Oil lubrication limiting speed
620 tr/min
N ref - Reference thermal speed
600 tr/min
N lim - Mechanical limiting speed
1100 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
200 °C

LIMITS

ras max - Maximum fillet radius
5 mm
rs - Minimum fillet radius
6 mm
Da max - Maximum shoulder diameter OR
446 mm
da min - Minimum shoulder diameter IR
395 mm
db1 - Diameter maximum of shoulder washer shaft
298 mm
db2 - Maximum spacer diameter
316,5 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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