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NTN EC-6902ZZC3 is a 6900 series single-row deep groove ball bearing with a 15 mm bore. Features double shielded (ZZ) metal shields, C3 clearance, and a steel cage. Constructed from high carbon chrome steel. Designed for expansion compensating applications in electric motors, pumps, and general rotating machinery.
MODEL EC-6902ZZC3
$68.55 Each
Prices are subject to change
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Returnable:No
B (in)
0.2756
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)
1.1024
d (in)
0.5906
Da max
0.8661 in
da max
0.6890 in
da min
0.6693 in
Dynamic Load Rating
910 lbf
Dynamic load rating
910 lbf
Enclosure
Double Shielded
Factor
14.8
I.D.
15 mm
Limiting Speed - Grease
24000 RPM
Limiting speed - grease
24000 RPM
Limiting Speed - Oil
28000 RPM
Limiting speed - oil
28000 RPM
Material
High carbon chrome steel
O.D.
28 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
Class 0
r (in)
0.0118
Radial Internal Clearance
C3
Radial internal clearance
C3
ras max
0.0118 in
Seal material
None
Seal type
None
Static Load Rating
450 lbf
Static load rating
450 lbf
Type
Expansion Compensating Bearing
Technical Specifications
Type | Expansion Compensating Bearing |
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Pressed |
Cage Material | Steel |
Ball Material | Steel |
Limiting Speed - Oil | 28000 RPM |
Limiting Speed - Grease | 24000 RPM |
Seal Type | None |
Seal Material | None |
Precision | Class 0 |
Configuration | One |
Factor | 14.8 |
Radial Internal Clearance | C3 |
Static Load Rating | 450 lbf2000 N2.00 kN |
Dynamic Load Rating | 820 lbf3650 N3.65 kN |
Enclosure | Double Shielded |
Weight | 0.033 lb0.015 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.
| Brand | FAG Bearing |
| Model | 16032-M-C3 |
