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NTN NATR20LL yoke type track roller bearing, 20 mm bore, cylindrical outer diameter, double sealed with rubber contact seals, includes inner ring. Machined ring cam follower for cam drives, linear motion systems, and conveyor applications.
MODEL NATR20LL
$110.36 Each
Prices are subject to change
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Returnable:No
B (in)
0.9843
B Tolerance
0/-0.210 mm
Bearing Type
Needle Roller Bearing
C (in)
0.9449
Cage Material
Steel
Cage material
Steel
D (0/-0.050)
1.8504 in
d (in)
0.7874
Dynamic Load Rating
4650 lbf
Dynamic load rating
4650 lbf
e (in)
1.4567
Enclosure
Double Sealed
F (in)
0.9843
I.D.
20 mm
Limiting Speed - Grease
6000 RPM
Limiting speed - grease
6000 RPM
Limiting Speed - Oil
8000 RPM
Limiting speed - oil
8000 RPM
Load Rating of Track
1060 lbf
Material
High carbon chrome steel
O.D.
47 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Outside Ring Type
Spherical
Roller Type
Needle
Roller type
Needle
Static Load Rating
7550 lbf
Static load rating
7550 lbf
Type
Yoke Type Track Roller
Technical Specifications
Type | Yoke Type Track Roller |
|---|---|
Roller Type | Needle |
Bearing Type | Needle Roller Bearing |
Material | High Carbon Chrome Steel |
Cage Material | Steel |
Outside Ring Type | Spherical |
Limiting Speed - Oil | 8000 RPM |
Limiting Speed - Grease | 6000 RPM |
Enclosure | Double Sealed |
Static Load Rating | 151 lbf33500 N33.50 kN |
Dynamic Load Rating | 93 lbf20700 N20.70 kN |
Load Rating of Track | 1060 lbf4700 N |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 0.7874 in20.000 mm |
|---|---|
D (0/-0.050) | 1.8504 in47.000 mm |
F | 0.9843 in25.000 mm |
e | 1.4567 in37.000 mm |
C | 0.9449 in24.000 mm |
B | 0.9843 in25.000 mm |
B Tolerance | 0/-0.210 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.