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NTN XLS4-1/21 is a single-row deep groove ball bearing with a straight bore and open design. Suitable for general industrial rotating equipment requiring radial load support.
MODEL XLS4-1/21
$256.92 Each
Prices are subject to change
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Returnable: See conditions
B (in)
0.8750
Ball material
Steel
Ball Material
Steel
Bore type
Round
Bore Type
Round
Cage material
Steel
Cage Material
Steel
Cage type
Pressed
Cage Type
Pressed
Configuration
One
D (in)
6.2500
d (in)
4.5000
Dynamic load rating
8700 lbf
Dynamic Load Rating
8700 lbf
Enclosure
Open
I.D.
114.3 mm
Limiting speed - grease
2400 RPM
Limiting Speed - Grease
2400 RPM
Limiting speed - oil
2800 RPM
Limiting Speed - Oil
2800 RPM
Material
High Carbon Chrome Steel
O.D.
158.75 mm
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
Precision
Class 0
r (in)
0.0940
Radial internal clearance
CN
Radial Internal Clearance
CN
Static load rating
9050 lbf
Static Load Rating
9050 lbf
Type
Radial Ball Bearing
Technical Specifications
Type | Radial Ball Bearing |
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Pressed |
Cage Material | Steel |
Ball Material | Steel |
Limiting Speed - Oil | 2800 RPM |
Limiting Speed - Grease | 2400 RPM |
Precision | Class 0 |
Configuration | One |
Radial Internal Clearance | CN |
Static Load Rating | 9050 lbf40317 N40.32 kN |
Dynamic Load Rating | 8700 lbf38767 N38.77 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
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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