We never sell your data to third parties
NTN 423140 is a double row tapered roller bearing in the inch series with a straight bore. Designed for heavy radial and axial loads in industrial gearboxes, rolling mills, and mining equipment.
MODEL 423140
$9,263.54 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
Select Quantity
Typically Ships in: 1 day
Returnable:No
B1
5.5118 in
Bore Type
Round
Bore type
Round
C (in)
4.4094
Configuration
Two
D (in)
13.3858
d (in)
7.8740
Dynamic Load Rating
245000 lbf
Dynamic load rating
245000 lbf
e
0.37
Enclosure
Open
I.D.
200 mm
Material
Through hardened steel
O.D.
320 in
Precision Rating
Class 0
Precision rating
Class 0
r (in)
0.1575
Static Load Rating
430000 lbf
Static load rating
430000 lbf
Style
TDO
Type
Tapered Roller Bearing
Width
140 mm
Y0
1.76
Y1
1.80
Y2
2.69
Technical Specifications
Type | Tapered Roller Bearing |
Bore Type | Round |
Material | Through Hardened Steel |
e | 0.37 |
Y1 | 1.80 |
Y2 | 2.69 |
Y0 | 1.76 |
Style | TDO |
Precision Rating | Class 0 |
Configuration | Two |
Static Load Rating | 430000 lbf1910000 N1910.00 kN |
Dynamic Load Rating | 245000 lbf1090000 N1090.00 kN |
Enclosure | Open |
Weight | 104.719 lb47.500 kg |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
