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NTN 1315K self-aligning ball bearing with a 75 mm tapered bore (1:12). This open bearing features a double-row ball design that accommodates shaft misalignment. Suitable for applications such as fans, blowers, and textile machinery where alignment compensation is required.
MODEL 1315K
$1,781.83 Each
Prices are subject to change
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Returnable:No
B (in)
1.4567
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)
2.9528
D (in)
6.2992
Da max
5.8661 in
da min
3.3858 in
Dynamic Load Rating
18000 lbf
Dynamic load rating
18000 lbf
Enclosure
Open
I.D.
75 mm
Limiting Speed - Grease
3800 RPM
Limiting speed - grease
3800 RPM
Limiting Speed - Oil
4500 RPM
Limiting speed - oil
4500 RPM
Material
High carbon chrome steel
O.D.
160 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
Class 0
r (in)
0.0827
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0787 in
Seal material
None
Seal type
None
Static Load Rating
6750 lbf
Static load rating
6750 lbf
Type
Self Aligning Ball Bearing
Y0
2.90
Y1
2.80
Y2
4.40
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 | 4500 RPM |
Limiting Speed - Grease | 3800 RPM |
Y1 | 2.80 |
Y2 | 4.40 |
Y0 | 2.90 |
Seal Type | None |
Seal Material | None |
Precision | Class 0 |
Configuration | One |
Radial Internal Clearance | CN |
Static Load Rating | 6750 lbf30000 N30.00 kN |
Dynamic Load Rating | 18000 lbf80000 N80.00 kN |
Enclosure | Open |
Weight | 7.727 lb3.505 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.
#318905
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Model
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Brand
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Model
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