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1305

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NTN 1305 self-aligning ball bearing with a 25 mm straight bore. This open bearing features a double-row design that accommodates shaft misalignment. Suitable for applications with moderate speeds and loads where alignment errors may occur.

MODEL 1305

BRAND

SKU

284308

WEIGHT

0.560 lb

UOM

each

$78.98 Each

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

Clearance

CN

Enclosure

Open

I.D.

25 mm

Material

Steel

O.D.

62 mm

Width

17 mm

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

13000 RPM

Limiting Speed - Grease

10000 RPM

Y1

2.30

Y2

3.50

Y0

2.40

Seal Type

None

Seal Material

None

Precision

Class 0

Configuration

One

Radial Internal Clearance

CN

Static Load Rating

1120 lbf5000 N5.00 kN

Dynamic Load Rating

4100 lbf18200 N18.20 kN

Enclosure

Open

Weight

0.560 lb0.254 kg

Operating Temperature Range

-40 to 250 F-40 to 120 C

Dimensional Specifications


Self Aligning Ball Bearings - Cylindrical Bore - Dimensions

d

0.9843 in25.000 mm

D

2.4409 in62.000 mm

B

0.6693 in17.000 mm

r

0.0433 in1.100 mm

da min

1.2402 in31.500 mm

Da max

2.1850 in55.500 mm

ras max

0.0394 in1.000 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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Item must be in it's original package.