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1313

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NTN 1313 self-aligning ball bearing with a 65 mm straight bore. This open bearing accommodates misalignment and is suitable for applications such as fans, blowers, and conveying equipment.

MODEL 1313

BRAND

SKU

284301

WEIGHT

5.329 lb

UOM

each

UPC

4547359257083

$297.99 Each

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

Clearance

CN

Enclosure

Open

Height

5.512

I.D.

65 mm

Length

5.512

Material

Steel

O.D.

140 mm

Width

1.2992

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

5300 RPM

Limiting Speed - Grease

4300 RPM

Y1

2.70

Y2

4.20

Y0

2.90

Seal Type

None

Seal Material

None

Precision

Class 0

Configuration

One

Radial Internal Clearance

CN

Static Load Rating

5150 lbf22900 N22.90 kN

Dynamic Load Rating

14100 lbf62500 N62.50 kN

Enclosure

Open

Weight

5.329 lb2.417 kg

Operating Temperature Range

-40 to 250 F-40 to 120 C

Dimensional Specifications


Self Aligning Ball Bearings - Cylindrical Bore - Dimensions

d

2.5591 in65.000 mm

D

5.5118 in140.000 mm

B

1.2992 in33.000 mm

r

0.0827 in2.100 mm

da min

2.9921 in76.000 mm

Da max

5.0787 in129.000 mm

ras max

0.0787 in2.000 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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