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NTN 742026/GNP4 is a double direction angular contact thrust ball bearing with a straight bore. It features an open enclosure and a brass cage. The bearing is constructed from high carbon chrome steel for durability and precision. This bearing is designed for applications requiring high axial load capacity in both directions.
MODEL 742026/GNP4
$4,589.68 Each
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Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
C (in)
1.6535
Cage Material
Brass
Cage material
Brass
Cage Type
Machined
Cage type
Machined
Configuration
Two
Contact angle
45 º
D (in)
7.8740
d (in)
5.1181
Da max
6.1024 in
da min
6.1024 in
Dynamic Load Rating
28100 lbf
Dynamic load rating
28100 lbf
Enclosure
Open
Ew
7.1654 in
I.D.
130 mm
J (in)
6.5354
Limiting Speed - Grease
2500 RPM
Limiting speed - grease
2500 RPM
Limiting Speed - Oil
3400 RPM
Limiting speed - oil
3400 RPM
Material
High carbon chrome steel
O.D.
200 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Outside Ring Type
Straight
Precision
ISO class 4
r (in)
0.0787
r1
0.0394 in
r1as max
0.0394 in
ras max
0.0787 in
Seal material
None
Seal type
None
Static Load Rating
71000 lbf
Static load rating
71000 lbf
T1
2.7165 in
Type
Thrust Ball Bearing
Technical Specifications
Type | Thrust Ball Bearing |
Bore Type | Round |
Outside Ring Type | Straight |
Material | High Carbon Chrome Steel |
Cage Type | Machined |
Cage Material | Brass |
Ball Material | Steel |
Limiting Speed - Oil | 3400 RPM |
Limiting Speed - Grease | 2500 RPM |
Seal Type | None |
Seal Material | None |
Precision | ISO Class 4 |
Configuration | Two |
Static Load Rating | 71000 lbf315000 N315.00 kN |
Dynamic Load Rating | 28100 lbf125000 N125.00 kN |
Enclosure | Open |
Weight | 14.418 lb6.540 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 5.1181 in130.000 mm |
D | 7.8740 in200.000 mm |
C | 1.6535 in42.000 mm |
T1 | 2.7165 in69.000 mm |
J | 6.5354 in166.000 mm |
Ew | 7.1654 in182.000 mm |
r | 0.0787 in2.000 mm |
r1 | 0.0394 in1.000 mm |
Contact Angle | 45 |
da min | 6.1024 in155.000 mm |
Da max | 6.1024 in155.000 mm |
ras max | 0.0787 in2.000 mm |
r1as max | 0.0394 in1.000 mm |
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.
What is the difference between deep groove and angular contact ball bearings?
Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.
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