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BNTPA3681171 Backing Bearing | 180×406.42×171mm

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BNTPA3681171 Technical Specifications

Basic Information
Bearing Type Backing Bearings
Bearing Type Backing Bearings Category
Design No. (Model) 10 Design identification number or model code
Weight (Mass) 130kg Mass (M) of the bearing, measured in kilograms (kg)
Material G20Cr2Ni4A case hardening bearing steel or equivalent carburizing steel
Cage without cage
Clearance C3 clearance
Precision P4
Boundary Dimensions
d (Bore Diameter) 180mm Internal diameter of inner ring (ISO standard symbol: d)
D (Outer Diameter) 406.42mm External diameter of outer ring (ISO standard symbol: D)
B (Width) 171mm Overall width of bearing (ISO standard symbol: B)
C (Effective Width) 170mm Effective width of roller set (ISO standard symbol: C)
H (Height) 113.2mm Overall height of bearing assembly
d1 (Inner Step Diameter) 240mm Diameter of inner ring step for axial location
D1 (Outer Step Diameter) Diameter of outer ring step for housing fit
E (Mounting Dimension) 293.3mm Effective bearing center distance for mounting
F (Positioning Dimension) 217.3mm Axial positioning dimension for bearing seats
rmin (Chamfer Radius) 1mm Minimum fillet radius for chamfered edges
K (Roller Factor) 8 Factor for effective roller length calculation
N* (Roller Quantity) Number of rollers in bearing assembly
Basic Load Rating
Cr (Dynamic Load) 1760kN Basic dynamic load rating (ISO 281)
Cor (Static Load) 3270kN Basic static load rating (ISO 281)
Cr (Roller) 1250kN Dynamic load rating for roller elements
Cor (Roller) 2230kN Static load rating for roller elements
Cr (Radial Max) 1070kN Maximum radial dynamic load capacity
Cor (Radial Max) 1530kN Maximum radial static load capacity

Product Description

The BNTPA3681171 Unknown is engineered for rolling mill description requiring high performance and reliability. With dimensions of 180mm bore diameter, 406.42mm outer diameter, and 171mm width, this medium bore backing bearing delivers exceptional performance in demanding rolling mill environments. It features a dynamic load rating of 1760kN and static load rating of 3270kN for reliable operation under heavy rolling loads.

Primary description:

  • Hot and cold rolling mills
  • Strip processing lines
  • Plate rolling mills
  • Bar and rod mills
  • Section rolling mills
  • Various rolling mill positions

Key technical features:

  • High radial load capacity
  • Robust construction for rolling mill environment
  • Precision manufacturing
  • Long service life
  • Reliable performance under heavy loads

Service

Shipping

Ocean Freight / Land Transport

Warranty

12-month warranty, extendable to 18 months.

Loading Port

Dalian Port or other nominated port

Packing

Export packing: tube + box + carton + wooden case

Order

Mixed models & small orders welcome

Image for reference only.

Backing Bearings dimensions diagram

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