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NTN 1213K self-aligning ball bearing with a 65 mm tapered bore (1:12 taper ratio). This double-row, open design accommodates shaft misalignment and is suitable for applications such as fans, blowers, and textile machinery. The tapered bore allows for easy mounting on adapter sleeves.
MODEL 1213K
$167.97 Each
Prices are subject to change
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Returnable:No
B (in)
0.9055
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)
4.7244
d (in)
2.5591
Da max
4.4094 in
da min
2.874 in
Dynamic Load Rating
6950 lbf
Dynamic load rating
6950 lbf
Enclosure
Open
I.D.
65 mm
Limiting Speed - Grease
4800 RPM
Limiting speed - grease
4800 RPM
Limiting Speed - Oil
6000 RPM
Limiting speed - oil
6000 RPM
Material
High carbon chrome steel
O.D.
120 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
2810 lbf
Static load rating
2810 lbf
Type
Self Aligning Ball Bearing
Y0
3.80
Y1
3.70
Y2
5.70
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 | 6000 RPM |
| Limiting Speed - Grease | 4800 RPM |
| Y1 | 3.70 |
| Y2 | 5.70 |
| Y0 | 3.80 |
| Seal Type | None |
| Seal Material | None |
| Precision | Class 0 |
| Configuration | One |
| Radial Internal Clearance | CN |
| Static Load Rating | 2810 lbf12500 N12.50 kN |
| Dynamic Load Rating | 6950 lbf31000 N31.00 kN |
| Enclosure | Open |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| d | 2.5591 in65.000 mm |
|---|---|
| D | 4.7244 in120.000 mm |
| B | 0.9055 in23.000 mm |
| r | 0.0591 in1.500 mm |
| da min | 2.8740 in73.000 mm |
| Da max | 4.4094 in112.000 mm |
| ras max | 0.0591 in1.500 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.
#2889945
Brand
Rollway
Model
1214 K
#5029988
Brand
NSK Bearings
Model
1213KJ
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