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1215

Image for Illustration purposes only. Actual product may vary

NTN 1215 self-aligning ball bearing with a 75 mm straight bore. This open bearing features a double-row design that accommodates shaft misalignment. Suitable for applications such as fans, blowers, and textile machinery where alignment errors may occur.

MODEL 1215

BRAND

SKU

284319

WEIGHT

2.923 lb

UOM

each

UPC

4547359255782

$228.01 Each

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

Clearance

CN

Enclosure

Open

Height

5.118

I.D.

75 mm

Length

5.118

Material

Steel

O.D.

130 mm

Width

0.9843

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

3.60

Y2

5.60

Y0

3.80

Seal Type

None

Seal Material

None

Precision

Class 0

Configuration

One

Radial Internal Clearance

CN

Static Load Rating

3550 lbf15700 N15.70 kN

Dynamic Load Rating

8750 lbf39000 N39.00 kN

Enclosure

Open

Weight

2.923 lb1.326 kg

Operating Temperature Range

-40 to 250 F-40 to 120 C

Dimensional Specifications


Self Aligning Ball Bearings - Cylindrical Bore - Dimensions

d

2.9528 in75.000 mm

D

5.1181 in130.000 mm

B

0.9843 in25.000 mm

r

0.0591 in1.500 mm

da min

3.2677 in83.000 mm

Da max

4.8031 in122.000 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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Return policy

Item must be unused.

Item must be in it's original package.