29348EJ Thrust Spherical Roller Bearing, Window-type Steel Cage

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29348EJ

Bore Diameter:240 mm

Outside Diameter:380 mm

Width:85 mm

Weight:32.8 kg

Min. Order:1 Piece

The 29348EJ Spherical Roller Thrust Bearings are suitable for heavy-duty applications involving alignment errors and impacts. Classic applications include large gate hoists in hydraulic engineering, ship stern tubes, mining crushers, continuous casting machine slewing tables, large crane slewing supports, and oil drilling rig rotary tables.

The 29348EJ bearing is a Thrust spherical roller bearing with an inner diameter of 240 mm , an outer diameter of 380 mm, a width of 85 mm. It typically uses PN (ABEC-1) grade precision tolerances and bearing steel rings, bearing steel rolling mlement. Its dynamic axial rated load is approximately 2037966 N, its static axial rated load is approximately 6277987 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

240 mm

Outside Diameter:

380 mm

Thickness:

85 mm

Weight:

32.8 KG

Dynamic load Capacity, axial:

2037966 N

Static load Capacity, axial:

6277987 N

Limiting speed (Oil rpm):

1528

Specifications:

Structure:

Spherical Roller Thrust Bearing

Number of Rows:

One

Precision Rating:

PN (ABEC-1)

Bearing Material:

bearing steel

Cage Type:

EJ = window-type steel cage

Rolling Mlement Material:

bearing steel

Bore Type:

Cylindrical bore

Operating Temperature:

-30 to 110 °C

System of Measurement:

Metric

Series:

293 series (293..EJ)

Transaction Information:

Transport Package:

Standard Export Package

Service:

7*24 hour

Shipping Ways:

by Sea or Air

Country of Origin:

china

Stock:

200 Piece

Port:

Tianjin, Shanghai, Shenzhen, Guangzhou or Qingdao

Payment term:

by T/T in advance

Delivery time:

2-3 days for stock, 25-30 days for bulk production

Detailed description

29348EJ bearings ( 240 mm x 380 mm x 85 mm) have the advantages of withstand extremely high axial loads and has a self-aligning function to compensate for installation errors or shaft deformation, and are therefore widely used in the Ship propulsion systems, oil drilling rigs, large cranes, hydroelectric generators, and heavy-duty gearboxes.

Part Number	29348EJ
Design type	TSR-EJ: Spherical inner and outer races; window-type steel cage
Bearing Type	Thrust spherical roller bearing
Interchangeable	TIMKEN 29348EJ
Manufacturer Part Code	29348 EJ
Series	293 series (293..EJ)
Cage	EJ = window-type steel cage
Units	Metric
Tolerance class	PN (ABEC-1)
Dimension Series	93 = Medium
Heat stabilized	200 °C (390 °F)
C_0a Axial Static [lbf]	1411291
C_a Axial Dynamic [lbf]	458134
Thermal Speed Rating [lbf]	191
n_G Speed ratings (oil) [rpm]	1528
d φ Inside [inch]	9.4488
D Φ Outside [inch]	14.9606
T Width [inch]	3.3465
T₁ Cage Position [inch]	2.9291
T₂ Cone Width [inch]	2.1260
T₃ Cup Width [inch]	1.5945
S [inch]	5.3150
r Fillet Radius [inch]	0.1181
d₁ [inch]	13.5866
D₁ [inch]	11.6338
E (Max) Shoulder Diameter Housing [inch]	12.1260
H (Min) Shoulder Diameter Shaft [inch]	12.7165
Weight [lb]	72.3109
K_c Centrifugal force constant	210

The 29348EJ Spherical Roller Thrust Bearings primarily consist of a shaft ring, a housing ring, asymmetrical drum-shaped rollers, and a cage assembly. The housing ring features a spherical raceway design, allowing the rollers to automatically adjust for alignment errors between the shaft and the housing ring.

The advantages of Spherical Roller Thrust Bearings lie in their superior self-aligning capability, effectively compensating for misalignment caused by installation skew or shaft deformation. They also possess extremely high axial load capacity, can withstand certain radial loads, and exhibit excellent impact resistance.

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29348EJ Thrust Spherical Roller Bearing, Window-type Steel Cage

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