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Rollway NNC 4844 CV 220 mm Bore Size, 270 mm Outside Diameter, Radial Cylindrical Roller Bearing, Full Complement Roller- Straight Bore, Unsealed, High Chromium Bearing Steel, C0 Radial Clearance 220 mm Bore Size, 270 mm Outside Diameter, Radial Cylindrical Roller Bearing, Full Complement Roller- Straight Bore, Unsealed, High Chromium Bearing Steel, C0 Radial Clearance
MODEL NNC 4844 CV
This product has a minimum order quantity of (20 minimum) This is the minimum order quantity available when purchasing this product.
Contact supplier for technical support on: 800-626-2120
$7,010.37 Each
Prices are subject to change
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Select Quantity(20 minimum)
Typically Ships in: 1 day
Returnable:No
Bore Size (mm)
220
Bore Type
Straight
Cage Material
No retainer
Duplexing
No
Dynamic Load Rating (lb)
76435
Full Complement/Caged
Full Complement
Height
10.63
Inner Race Configuration
Non-Separable
Length
10.63
Material
High Chromium Bearing Steel
Misalignment
No
Number of Rows
2
O.D. (mm)
270
Outer Race Configuration
Non-Separable
Overall Width (mm)
50
Platform
Cylindrical Radial
Profile
Complete with Outer and Inner Race
Radial Clearance
C0
Retainer
No
Rolling Element
Cylindrical Roller
Seal Type
Unsealed
Sealed
None
Snap Ring
No
Speed [Max] Grease (RPM)
1300
Speed [Max] Oil (RPM)
850
Static Load Rating (kN)
870
Static Load Rating (lb)
195584
Version
CV: Without cage
Width
1.97
| Rows of rollers | Double row |
|---|---|
| Retainer | No retainer |
| Inner Race Configuration | Non-Separable |
| Outer Race Configuration | Non-Separable |
| Version | CV: Without cage |
| Additional Information | Locating bearing; Oil groove and holes in outer ring |
| Sale Qty Multiple: | 1 |
|---|---|
| Packaged Length: | 11.02 |
| Packaged Width: | 11.02 |
| Packaged Height: | 2.95 |
| No. Links/Ft. : | 0 |
| Rows of rollers: | Double row |
| Retainer: | No retainer |
| Inner Race Configuration: | Non-Separable |
| Outer Race Configuration: | Non-Separable |
| Version: | CV: Without cage |
| Additional Information: | Locating bearing; Oil groove and holes in outer ring |
Dimensions
| Part No | NNC 4844 CV |
|---|---|
| Description | NNC 4844 CV |
| d | 220mm (8.6614 inch) |
| D | 270mm (10.6299 inch) |
| B | 50mm (1.9685 inch) |
| Basic Dynamic Rating Cr | 340kN (76, 435 pounds) |
| Basic Static Rating Cor | 870kN (195, 584 pounds) |
| Limiting Speed Grease (RPM) | 1, 300 |
| Limiting Speed Oil (RPM) | 850 |
| r1 | 2mm (0.0787 inch) |
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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