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NTN NN3020HSRT6KC1N#01 is a double row cylindrical roller bearing with a 100 mm straight bore. The NN type configuration has no flanges on the outer ring, allowing axial expansion. This bearing features a high-speed design (HSR) and C1 clearance. Suitable for machine tool spindles and high-speed applications.
MODEL NN3020HSRT6KC1N#01
$4,606.92 Each
Prices are subject to change
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Returnable:No
B (in)
1.4567
Bore Type
Tapered
Bore type
Tapered
C (in)
1.4567
Cage Material
PEEK
Cage material
PEEK
Configuration
Two
D (in)
5.9055
d (in)
3.9370
Da max
5.4724 in
da min
4.252 in
Db max
5.5906 in
Db min
5.4724 in
db min
4.3701 in
Dynamic Load Rating
34500 lbf
Dynamic load rating
34500 lbf
Enclosure
Open
Ew
5.3937 in
I.D.
100 mm
Limiting Speed - Grease
4000 RPM
Limiting speed - grease
4000 RPM
Limiting Speed - Oil
4800 RPM
Limiting speed - oil
4800 RPM
Material
Hardened alloy steel
O.D.
150 mm
Oil Hole
w/o Oil Hole
Oil hole
w/o Oil Hole
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
Special precision
r (in)
0.0591
Radial Internal Clearance
C1NA
Radial internal clearance
C1NA
ras max
0.0591 in
Static Load Rating
57500 lbf
Static load rating
57500 lbf
Taper
1 to 12
Type
Cylindrical Roller Bearing
Width
37 mm
Technical Specifications
Type | Cylindrical Roller Bearing |
Bore Type | Tapered |
Material | Hardened Alloy Steel |
Cage Material | PEEK |
Limiting Speed - Oil | 4800 RPM |
Limiting Speed - Grease | 4000 RPM |
Taper | 1:12 |
Precision | Special Precision |
Configuration | Two |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | C1NA |
Static Load Rating | 57500 lbf256000 N256.00 kN |
Dynamic Load Rating | 34500 lbf153000 N153.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 3.9370 in100.000 mm |
D | 5.9055 in150.000 mm |
B | 1.4567 in37.000 mm |
C | 1.4567 in37.000 mm |
Ew | 5.3937 in137.000 mm |
r | 0.0591 in1.500 mm |
da min | 4.2520 in108.000 mm |
db min | 4.3701 in111.000 mm |
Da max | 5.4724 in139.000 mm |
Db min | 5.4724 in139.000 mm |
Db max | 5.5906 in142.000 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.
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