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NTN 1320K self-aligning ball bearing with a 100 mm tapered bore (1:12). This open single-row bearing accommodates shaft misalignment and is suitable for applications such as fans, blowers, and textile machinery.
MODEL 1320K
$1,676.05 Each
Prices are subject to change
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Returnable:No
B (in)
1.8504
Ball Material
Steel
Ball material
Steel
Bore Type
Tapered
Bore type
Tapered
Cage Material
Steel
Cage material
Steel
Cage Type
Pressed
Cage type
Pressed
Configuration
One
D (in)
8.4646
d (in)
3.9370
Da max
7.9528 in
da min
4.4488 in
Dynamic Load Rating
31500 lbf
Dynamic load rating
31500 lbf
Enclosure
Open
I.D.
100 mm
Limiting Speed - Grease
2800 RPM
Limiting speed - grease
2800 RPM
Limiting Speed - Oil
3400 RPM
Limiting speed - oil
3400 RPM
Material
High carbon chrome steel
O.D.
215 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
Class 0
r (in)
0.1181
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0984 in
Seal material
None
Seal type
None
Static Load Rating
12900 lbf
Static load rating
12900 lbf
Type
Self Aligning Ball Bearing
Y0
2.80
Y1
2.70
Y2
4.10
Technical Specifications
Type | Self Aligning Ball Bearing |
Bore Type | Tapered |
Material | High Carbon Chrome Steel |
Cage Type | Pressed |
Cage Material | Steel |
Ball Material | Steel |
Limiting Speed - Oil | 3400 RPM |
Limiting Speed - Grease | 2800 RPM |
Y1 | 2.70 |
Y2 | 4.10 |
Y0 | 2.80 |
Seal Type | None |
Seal Material | None |
Precision | Class 0 |
Configuration | One |
Radial Internal Clearance | CN |
Static Load Rating | 12900 lbf57500 N57.50 kN |
Dynamic Load Rating | 31500 lbf140000 N140.00 kN |
Enclosure | Open |
Weight | 18.062 lb8.193 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.
#318920
Brand
SKF Bearing
Model
1320 K
#5030035
Brand
NSK Bearings
Model
1320KJ
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