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The NTN 6004ZC3 is a 60 series single-row deep groove ball bearing with a 20 mm straight bore. It features a single shielded enclosure (steel shield) and C3 clearance. The bearing has a steel cage and is constructed from high carbon chrome steel. Used in electric motors, pumps, fans, and general rotating machinery.
MODEL 6004ZC3
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$31.47 Each
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Brand Minimum Order Quantity: 3
Typically Ships in: 1 day
Returnable:No
B (in)
0.4724
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)
0.7874
D (in)
1.6535
da max
1.0236 in
Da max
1.4961 in
da min
0.9449 in
Dynamic Load Rating
2330 lbf
Dynamic load rating
2330 lbf
Enclosure
Single Shielded
Factor
38.0
I.D.
20 mm
Limiting Speed - Grease
18000 RPM
Limiting speed - grease
18000 RPM
Limiting Speed - Oil
21000 RPM
Limiting speed - oil
21000 RPM
Material
High carbon chrome steel
O.D.
42 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
r (in)
0.0236
r1
0.0197 in
Radial Internal Clearance
C3
Radial internal clearance
C3
ras max
0.0236 in
Static Load Rating
1140 lbf
Static load rating
1140 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 | 21000 RPM |
Limiting Speed - Grease | 18000 RPM |
Precision | ISO Class 0 |
Configuration | One |
Factor | 38.0 |
Radial Internal Clearance | C3 |
Static Load Rating | 1140 lbf5050 N5.05 kN |
Dynamic Load Rating | 2110 lbf9400 N9.40 kN |
Enclosure | Single Shielded |
Weight | 0.148 lb0.067 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
|
| |
d | 0.7874 in20.000 mm |
|---|---|
D | 1.6535 in42.000 mm |
B | 0.4724 in12.000 mm |
r | 0.0236 in0.600 mm |
r1 | 0.0197 in0.500 mm |
da min | 0.9449 in24.000 mm |
da max | 1.0236 in26.000 mm |
Da max | 1.4961 in38.000 mm |
ras max | 0.0236 in0.600 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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