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6021

Image for Illustration purposes only. Actual product may vary

NTN 6021 is a 60 series single-row deep groove ball bearing with a 105 mm straight bore. This open bearing has no seals or shields, making it suitable for applications requiring high-speed operation and relubrication. Used in electric motors, pumps, fans, and general industrial rotating machinery.

MODEL 6021

BRAND

SKU

284021

WEIGHT

3.527 lb

UOM

each

$233.74 Each

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

Clearance

CN

Enclosure

Open

Height

6.299

I.D.

105 mm

Length

6.299

Material

Steel

O.D.

160 mm

Width

1.0236

Technical Specifications

Type

Deep Groove Ball Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Type

Pressed

Cage Material

Steel

Ball Material

Steel

Limiting Speed - Oil

4700 RPM

Limiting Speed - Grease

4000 RPM

Seal Type

None

Seal Material

None

Precision

Class 0

Configuration

One

Factor

15.8

Radial Internal Clearance

CN

Static Load Rating

14700 lbf65500 N65.50 kN

Dynamic Load Rating

16300 lbf72500 N72.50 kN

Enclosure

Open

Weight

3.505 lb1.590 kg

Operating Temperature Range

-40 to 250 F-40 to 120 C

Dimensional Specifications


Single Row Radial Ball Bearing - Open Type - Dimensions

d

4.1339 in105.000 mm

D

6.2992 in160.000 mm

B

1.0236 in26.000 mm

r

0.0787 in2.000 mm

r1

0.0197 in0.500 mm

da min

4.4882 in114.000 mm

da max

4.6850 in119.000 mm

Da max

5.9449 in151.000 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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Return policy

Item must be unused.

Item must be in it's original package.