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NTN 6018Z 60 series single-row deep groove ball bearing with 90 mm straight bore. Features a single metal shield (Z) on one side for protection against contaminants while maintaining low friction. Designed for electric motors, pumps, fans, and general rotating machinery.
MODEL 6018Z
$182.34 Each
Prices are subject to change
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Returnable:No
B (in)
0.9449
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)
5.5118
d (in)
3.5433
da max
4.0157 in
Da max
5.1969 in
da min
3.8583 in
Dynamic Load Rating
14500 lbf
Dynamic load rating
14500 lbf
Enclosure
Single Shielded
Factor
132.0
I.D.
90 mm
Limiting Speed - Grease
4700 RPM
Limiting speed - grease
4700 RPM
Limiting Speed - Oil
5600 RPM
Limiting speed - oil
5600 RPM
Material
High carbon chrome steel
O.D.
140 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
r (in)
0.0591
r1
0.0197 in
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0591 in
Static Load Rating
11100 lbf
Static load rating
11100 lbf
Type
Deep Groove Ball Bearing
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 | 5600 RPM |
Limiting Speed - Grease | 4700 RPM |
Precision | ISO Class 0 |
Configuration | One |
Factor | 132.0 |
Radial Internal Clearance | CN |
Static Load Rating | 11100 lbf49500 N49.50 kN |
Dynamic Load Rating | 13000 lbf58000 N58.00 kN |
Enclosure | Single Shielded |
Weight | 2.498 lb1.133 kg |
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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