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NTN NUTR305 yoke type track roller bearing with 305 mm bore and spherical outer diameter. Open design with machined ring and inner ring, constructed from high carbon chrome steel. Suitable for cam follower and track roller applications in industrial machinery.
MODEL NUTR305
$137.07 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
None
D (0/-0.050)
2.4409 in
d (in)
0.9843
Dynamic Load Rating
9550 lbf
Dynamic load rating
9550 lbf
e (in)
1.2205
Enclosure
Open
F (in)
1.1811
I.D.
25 mm
Limiting Speed - Grease
3300 RPM
Limiting speed - grease
3300 RPM
Load Rating of Track
1560 lbf
Material
High carbon chrome steel
O.D.
62 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Outside Ring Type
Spherical
r (in)
0.0118
Roller Type
Cylindrical
Roller type
Cylindrical
Static Load Rating
12900 lbf
Static load rating
12900 lbf
Type
Yoke Type Track Roller
Technical Specifications
Type | Yoke Type Track Roller |
Roller Type | Cylindrical |
Bearing Type | Needle Roller Bearing |
Material | High Carbon Chrome Steel |
Cage Material | None |
Outside Ring Type | Spherical |
Limiting Speed - Grease | 3300 RPM |
Enclosure | Open |
Static Load Rating | 129 lbf57500 N57.50 kN |
Dynamic Load Rating | 191 lbf42500 N42.50 kN |
Load Rating of Track | 1560 lbf6950 N |
| 0.992 lb0.450 kg | |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 0.9843 in25.000 mm |
D (0/-0.050) | 2.4409 in62.000 mm |
F | 1.1811 in30.000 mm |
e | 1.2205 in31.000 mm |
C | 0.9449 in24.000 mm |
B | 0.9843 in25.000 mm |
B Tolerance | 0/-0.210 mm |
r | 0.0118 in0.300 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.