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NTN 51322 single direction thrust ball bearing with a 110 mm bore. Designed for axial loads in one direction, this bearing features a straight bore and is suitable for vertical shaft applications in gearboxes, pumps, and machine tools.
MODEL 51322
$1,470.14 Each
Prices are subject to change
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Ball material
Steel
Ball Material
Steel
Bore type
Round
Bore Type
Round
Cage material
Brass
Cage Material
Brass
Cage type
Machined
Cage Type
Machined
Configuration
One
D (in)
7.4803
d (in)
4.3307
D1
4.4488 in
d1
7.3622 in
Da max
6.2205 in
da min
6.2205 in
Dynamic load rating
60000 lbf
Dynamic Load Rating
60000 lbf
Enclosure
Open
I.D.
110 mm
Limiting speed - grease
870 RPM
Limiting Speed - Grease
870 RPM
Limiting speed - oil
1200 RPM
Limiting Speed - Oil
1200 RPM
Material
High Carbon Chrome Steel
O.D.
190 mm
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
Outside Ring Type
Straight
Precision
ISO Class 0
r (in)
0.0787
Radial internal clearance
CN
Radial Internal Clearance
CN
ras max
0.0787 in
Seal material
None
Seal type
None
Static load rating
158000 lbf
Static Load Rating
158000 lbf
T (in)
2.4803
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 | 1200 RPM |
Limiting Speed - Grease | 870 RPM |
Seal Type | None |
Seal Material | None |
Precision | ISO Class 0 |
Configuration | One |
Radial Internal Clearance | CN |
Static Load Rating | 158000 lbf705000 N705.00 kN |
Dynamic Load Rating | 60000 lbf267000 N267.00 kN |
Enclosure | Open |
Weight | 16.909 lb7.670 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
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.
#5032873
Brand
NSK Bearings
Model
51322
| Brand | PEER Bearing |
| Model | 6205-2RSTLD-C3 |
