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1307

Image for Illustration purposes only. Actual product may vary

NTN 1307 self-aligning ball bearing with a 35 mm straight bore. This open bearing accommodates shaft misalignment and is suitable for applications with moderate speeds and loads. The 13 series design provides reliable performance in fans, blowers, and conveying equipment.

MODEL 1307

BRAND

SKU

284306

WEIGHT

1.102 lb

UOM

each

$108.84 Each

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

Clearance

CN

Enclosure

Open

Height

3.15

I.D.

35 mm

Length

3.15

Material

Steel

O.D.

80 mm

Width

0.8268

Technical Specifications
Type
Self Aligning Ball Bearing
Bore Type
Cylindrical
Material
High Carbon Chrome Steel
Cage Type
Pressed
Cage Material
Steel
Ball Material
Steel
Limiting Speed - Oil
9500 RPM
Limiting Speed - Grease
7500 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
1760 lbf7850 N7.85 kN
Dynamic Load Rating
5700 lbf25300 N25.30 kN
Enclosure
Open
Weight
1.102 lb0.500 kg
Operating Temperature Range
-40 to 250 F-40 to 120 C
Dimensional Specifications


Self Aligning Ball Bearings - Cylindrical Bore - Dimensions

d
1.3780 in35.000 mm
D
3.1496 in80.000 mm
B
0.8268 in21.000 mm
r
0.0591 in1.500 mm
da min
1.6929 in43.000 mm
Da max
2.8346 in72.000 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.

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