NA72212/72488D Double Row Tapered Roller Bearing (Size: 2.125x4.875x3.0625 Inch)

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NA72212/72488D

Bore Diameter:53.975 mm

Outside Diameter:123.825 mm

Width:77.788 mm

Weight:4.08 kg

Min. Order:1 Piece

The NA72212/72488D bearing is a Tapered Roller Bearings with an inner diameter of 53.975 mm , an outer diameter of 123.825 mm, a width of 77.788 mm. It typically uses Standard grade precision tolerances and features a Steel cage, Chrome Steel (Gcr15) rings. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Application: Gearboxes, Hoisting Equipment, Rolling Mills and Machines in the Mining Industry, e.g. tunnelling machines.

Dimensions:

Inside Diameter:

53.975 mm

Outside Diameter:

123.825 mm

Thickness:

77.788 mm

Weight:

4.08 KG

Chamfer (R):

2.3

Chamfer (r):

1.5

Specifications:

HS Code:

8482500090

Structure:

Roller Bearing

Number of Rows:

Double

Demensions:

53.975x123.825x77.788

Brand:

Neutral Product

Precision Rating:

Standard

Bearing Material:

Chrome Steel (Gcr15)

Cage material:

Steel

Roller Material:

Chrome Steel (Gcr15)

Bore Type:

Cylindrical

Operating Temperature Range:

-40℃ to 120℃

System of Measurement:

Inch

Rolling Element:

Roller

Cone Number:

NA72212

Cup Number:

72488D

Transaction Information:

Transport Package:

Standard Export Package

Shipping Ways:

by Sea or Air

Country of Origin:

China

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

Detailed description

NA72212/72488D Tapered Roller Bearing, TNA Type, Double Row, Inch Size, Non-Adjustable.

Size (Inner Dia x Outer Dia x Bearing Width): 2.125x4.875x3.0625 Inch (53.975x123.825x77.788 mm)

Cone Part No.: NA72212

Cup Part No.: 72488D

Mini Operating Temperature:-40 °C

Max Operating Temperature:120 °C

NA72212/72488D Tapered Roller Bearing comprised of two cones NA72212 and a one-piece (double) cup 72488D.

NA72212/72488D Tapered Roller Bearing
Type:	TNA
Cone Part Number:	NA72212
Cup Part Number:	72488D
Bearing Weight (kg)	4.08
Main Dimensions:
	inch	mm
d-Bore:	2.125	53.975
D-Cup Outer Diameter:	4.875	123.825
T - Bearing Width Across Cones	3.0625	77.788
C - Double Cup Width	2.1875	55.563
Bearing Type:	Roller
Ring Material:	Chrome Steel
Roller Material:	Chrome Steel
Cage Material:	Stamped Steel
Precision:	Standard Precision
Country of Origin:	China
HS Code:	8482500090

TNA bearings are non-adjustable, double-row bearings that are supplied with built-in clearance. This results in a specified mounting setting range satisfactory for specific applications.

They are similar to type TDO, but the inner-ring front faces are extended so that they abut, which eliminates the need for the inner-ring spacer of a TDO bearing.

They can be used at either fixed positions or allowed to float in the housing bore to compensate for shaft expansion.

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 [email protected] or contact us by Wechat or Whatsapp at +8618062246726.

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NA72212/72488D Double Row Tapered Roller Bearing (Size: 2.125x4.875x3.0625 Inch)

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