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NTN 6309HT200ZZ 63 series single-row deep groove ball bearing with a 45 mm straight bore. Double shielded (ZZ) metal shields and a steel cage. Constructed from high carbon chrome steel for general industrial rotating equipment such as electric motors, pumps, and fans.
MODEL 6309HT200ZZ
$257.60 Each
Prices are subject to change
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Returnable:No
B (in)
0.9843
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)
3.9370
d (in)
1.7717
Da max
3.622 in
da max
2.4213 in
da min
2.0866 in
Dynamic Load Rating
13150 lbf
Dynamic load rating
13150 lbf
Enclosure
Double Shielded
Factor
13.1
I.D.
45 mm
Limiting Speed - Grease
2000 RPM
Limiting speed - grease
2000 RPM
Material
High carbon chrome steel
O.D.
100 mm
Operating Temperature Range
-40 to 400 °F
Operating temperature range
-40 to 400 ºF
Precision
ISO class 0
r (in)
0.0591
r1
0.0197 in
Radial Internal Clearance
C4
Radial internal clearance
C4
ras max
0.0591 in
Seal material
None
Seal type
None
Static Load Rating
7200 lbf
Static load rating
7200 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 - Grease | 2000 RPM |
Seal Type | None |
Seal Material | None |
Precision | ISO Class 0 |
Configuration | One |
Factor | 13.1 |
Radial Internal Clearance | C4 |
Static Load Rating | 7200 lbf32000 N32.00 kN |
Dynamic Load Rating | 11900 lbf53000 N53.00 kN |
Enclosure | Double Shielded |
Operating Temperature Range | -40 to 400 F-40 to 200 C |
Dimensional Specifications
| |
d | 1.7717 in45.000 mm |
D | 3.9370 in100.000 mm |
B | 0.9843 in25.000 mm |
r | 0.0591 in1.500 mm |
r1 | 0.0197 in0.500 mm |
da min | 2.0866 in53.000 mm |
da max | 2.4213 in61.500 mm |
Da max | 3.6220 in92.000 mm |
ras max | 0.0591 in1.500 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.
| Brand | Gates Rubber |
| Model | 14ADV-2520-125 |