NSK HR30307C Single-Row Tapered Roller Bearings
Brand: NSK
Item number: HR30307C
Inside Diameter: 35mm
Outside Diameter: 80mm
Width: 22.75mm
Description
In bearings of this type, the cylindrical rollers are in linear contact with the raceways. They have a high radial load capacity and are suitable for high speeds.
There are different types designated as NU, NJ, NUP, N, NF (for single-row bearings), NNU, and NN (for double-row bearings depending on the design or absence of side ribs).
The outer and inner rings of all types are separable.
The technical data for NSK HR30307C
| Bearing No. | HR30307C | |
| SD Inside Diameter |
35 | mm |
| D Outside Diameter |
80 | mm |
| T Width |
22.75 | mm |
| B Width |
21 | mm |
| C Width |
16 | mm |
| R Chamfer Dimension |
2 | mm |
| R1 Chamfer Dimension |
1.5 | mm |
| CR1 Basic Dynamic Load Ratings |
68000 | N |
| COR1 Basic Static Load Ratings |
70500 | N |
| CR2 Basic Dynamic Load Ratings |
6900 | kgf |
| COR2 Basic Static Load Ratings |
7200 | kgf |
| LG Limiting Speed Grease |
4800 | rpm |
| LO Limiting Speed Oil |
6300 | rpm |
| DA1 Abutment and Fillet Dimensions min. |
47 | mm |
| DB1 Abutment and Fillet Dimensions max. |
44 | mm |
| DA2 Abutment and Fillet Dimensions max. |
71 | mm |
| DA3 Abutment and Fillet Dimensions min. |
65 | mm |
| DB2 Abutment and Fillet Dimensions min. |
74 | mm |
| SA Abutment and Fillet Dimensions min. |
3 | mm |
| SB Abutment and Fillet Dimensions min. |
6.5 | mm |
| RA Abutment and Fillet Dimensions min. |
2 | mm |
| RA1 Abutment and Fillet Dimensions max. |
1.5 | mm |
| A Eff. Load centers |
20.3 | mm |
| E Constant |
0.55 | |
| ConstantY1 Axial load factors |
1.1 | |
| Y0 Axial load factors |
0.6 | |
| MASS Mass |
0.518 |
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