Hubei Parts Service Supply Co., Ltd.
78255X/78549D Tapered Roller Bearing (Size: 2.5586x5.5x3.0625 Inch)

78255X/78549D Tapered Roller Bearing (Size: 2.5586x5.5x3.0625 Inch)

Min. Order:
1 Piece
Stock:
100 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
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Mobile NO.: +86-18062246726
Technical Parameters:
Product Designations:
78255X/78549D
HS Code:
8482500090
Structure:
Roller Bearing
Number of Rows:
Double
Inside Diameter:
64.988 mm
Outside Diameter:
139.7 mm
Thickness:
77.788 mm
Weight:
4.99 KG
Demensions:
64.988x139.7x77.788
Brand:
Neutral Product
Precision Rating:
Standard
Load Direction:
Radial and Thrust
Bearing Material:
Chrome Steel (Gcr15)
Cage material:
Steel
Roller Material:
Chrome Steel (Gcr15)
Transport Package:
Standard Export Package
Shipping Ways:
by Sea or Air
Country of Origin:
China
Operating Temperature Range:
-40℃ to 120℃
System of Measurement:
Inch
Series:
78000
Rolling Element:
Roller
Cone Number:
78255X
Cup Number:
78549D
Cone Width (B):
32.923
Cup Width (C):
51.803
Chamfer (R):
3.6
Chamfer (r):
1.5
Application:
Gearboxes, Hoisting Equipment, Rolling Mills and Machines in the Mining Industry, e.g. tunnelling machines.
78255X/78549D Tapered Roller Bearing (Size: 2.5586x5.5x3.0625 Inch)

78255X/78549D Tapered Roller Bearing, TDO Type, Double Row, Inch Size.

Size (Inner Dia x Outer Dia x Bearing Width Across Cones): 2.5586x5.5x3.0625 Inch (64.988x139.7x77.788 mm)

Cone Part No.: 78255X

Cup Part No.: 78549D

Mini Operating Temperature:-40 °C                                                     

Max Operating Temperature:120 °C

78255X/78549D Tapered Roller Bearing consists of two single inner rings (Cone) 78255X and a single piece (double) outer ring (Cup) 78549D. Besides, it is usually supplied complete with an inner-ring spacer as a pre-set assembly.

78255X/78549D Tapered Roller Bearing

Type:

TDO

Series:

78000

Cone Part Number:

78255X

Cup Part Number:

78549D

Bearing Weight (kg)

4.99

Main Dimensions:

 

inch

mm

d-Bore:

2.5586

64.988

D-Cup Outer Diameter:

5.5

139.7

B-Cone Width:

1.2962

32.923

C-Double Cup Width:

2.0395

51.803

T-Bearing Width Across Cones

3.0625

77.788

Bearing Type:

Roller

Ring Material:

Chrome Steel

Roller Material:

Chrome Steel

Cage Material:

Stamped Steel

Precision:

Standard Precision

Load Direction:

Combined Radial and Thrust

Country of Origin:

China

HS Code:

8482500090

The configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions or allowed to float in the housing bore.

Applications: gearboxes, hoisting equipment, rolling mills and machines in the mining industry, e.g. tunnelling machines.

All the bearings we are offering are direct factory price, fast delivery, perfect quality. For more bearings, please feel free to mail us at sales@partsservicesupply.com or contact us by Wechat or Whatsapp at +8618062246726.


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