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NTN 2307K self-aligning ball bearing with a 35 mm tapered bore (1:12 taper). Double-row ball design accommodates shaft misalignment. Suitable for applications requiring self-alignment and easy mounting on tapered shafts.
MODEL 2307K
$177.91 Each
Prices are subject to change
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Returnable:No
B (in)
1.2205
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)
1.3780
D (in)
3.1496
Da max
2.8346 in
da min
1.6929 in
Dynamic Load Rating
9000 lbf
Dynamic load rating
9000 lbf
Enclosure
Open
I.D.
35 mm
Limiting Speed - Grease
7100 RPM
Limiting speed - grease
7100 RPM
Limiting Speed - Oil
9000 RPM
Limiting speed - oil
9000 RPM
Material
High carbon chrome steel
O.D.
80 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
Class 0
r (in)
0.0591
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0591 in
Seal material
None
Seal type
None
Static Load Rating
2540 lbf
Static load rating
2540 lbf
Type
Self Aligning Ball Bearing
Y0
1.40
Y1
1.40
Y2
2.10
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 | 9000 RPM |
Limiting Speed - Grease | 7100 RPM |
Y1 | 1.40 |
Y2 | 2.10 |
Y0 | 1.40 |
Seal Type | None |
Seal Material | None |
Precision | Class 0 |
Configuration | One |
Radial Internal Clearance | CN |
Static Load Rating | 2540 lbf11300 N11.30 kN |
Dynamic Load Rating | 9000 lbf40000 N40.00 kN |
Enclosure | Open |
Weight | 1.448 lb0.657 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.
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