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NTN NU212 cylindrical roller bearing with a 60 mm straight bore. The NU design has no flanges on the outer ring, making it separable and able to accommodate axial expansion. This single-row bearing is open and features a steel cage. Suitable for gearboxes, electric motors, and pumps where axial shaft movement must be accommodated.
MODEL NU212
$170.57 Each
Prices are subject to change
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Returnable:No
Height
4.331
I.D.
60 mm
Length
4.331
O.D.
110 mm
Width
0.8661
Technical Specifications
| Type | Cylindrical Roller Bearing |
|---|---|
| Bore Type | Round |
| Material | Hardened Alloy Steel |
| Cage Material | Pressed Steel |
| Limiting Speed - Oil | 7600 RPM |
| Limiting Speed - Grease | 6400 RPM |
| Precision | ISO Class 0 |
| Configuration | One |
| Tolerance | ISO Class 0 (RBEC 1) |
| Oil Hole | w/o Oil Hole |
| Radial Internal Clearance | CN |
| Static Load Rating | 16900 lbf75000 N75.00 kN |
| Dynamic Load Rating | 15400 lbf68500 N68.50 kN |
| Enclosure | Open |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| d | 2.3622 in60.000 mm |
|---|---|
| D | 4.3307 in110.000 mm |
| B | 0.8661 in22.000 mm |
| Fw | 2.8937 in73.500 mm |
| r | 0.0591 in1.500 mm |
| da min | 2.6772 in68.000 mm |
| db min | 2.6772 in68.000 mm |
| Da max | 4.0157 in102.000 mm |
| Db max | 4.0157 in102.000 mm |
| r1as 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.
