4TR680B Tapered Roller Bearing (Size: 680x970x740mm)

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4TR680B

Bore Diameter:680 mm

Outside Diameter:970 mm

Width:740 mm

Weight:1790 kg

The 4TR680B bearing is a Tapered Roller Bearings with an inner diameter of 680 mm , an outer diameter of 970 mm, a width of 740 mm. It typically uses Standard grade precision tolerances and features a Steel cage, Chrome Steel rings. Its dynamic radial rated load is approximately 23600 (kN), its static radial rated load is approximately 52800 (kN). together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Application: Low- and medium-speed rolling mills

Dimensions:

Inside Diameter:

680 mm

Outside Diameter:

970 mm

Thickness:

740 mm

Weight:

1790 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

23600 (kN)

Static load Capacity, Radial (Cor):

52800 (kN)

Specifications:

HS Code:

8482500090

Structure:

Roller Bearing

Number of Rows:

Four

Demensions:

680x970x740

Brand:

Neutral Product

Precision Rating:

Standard

Bearing Material:

Chrome Steel

Cage material:

Steel

Roller Material:

Chrome Steel

Bore Type:

Cylindrical

Operating Temperature Range:

-40℃ to 120℃

Rolling Element:

Roller

Transaction Information:

Transport Package:

Standard Export Package

Shipping Ways:

by Sea or Air

Country of Origin:

China

Stock:

1000 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

4TR680B Tapered Roller Bearing, Four Row, High Load Capacity, High Speed, Low Friction, and Long Service Life.

Size: 680x970x740mm

Inside Diameter (d): 680mm

Outside Diameter (D): 970mm

Width (T): 740mm

Ring Material: Chrome Steel

Roller Material: Chrome Steel

Cage Material: Steel

Number of Row: 4

Working Temperature: -40°C to 120°C

Tolerance Class: Normal

HS Code: 8482500090

Four Row Tapered Roller Bearing (TQO Type)
Bearing No.	Main Dimensions (mm)				Basic Load Ratings (kN)		Weight
Bearing No.	d	D	T	W	Cr	Cor	kg
4TR680B	680	970	740	740	23600	52800	1790

TQO bearings are directly mounted and comprised of two double inner races, two single and one double outer race, with an inner race spacer and two outer race spacers.

Slots in the inner race spacer permit lubricant to flow from the bearing chamber to the roll neck. The inner race spacers are hardened to minimize face wear.

Size range:

ID 50.800 mm to 1500.000 mm (2.0000 in. to 59.0551 in.)

OD 83.337 mm to 2032.000 mm (3.2810 in. to 80.0000 in.)

Applications: Low- and medium-speed rolling mills

All the bearings we are offering are direct factory price, fast delivery, perfect quality. For more bearings, please feel free to mail us at [email protected] or contact us by Wechat or Whatsapp at +8618062246726.

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4TR680B Tapered Roller Bearing (Size: 680x970x740mm)

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