NSK HR30305C bearings
HR30305C, NSK, Metric series tapered roller bearings
- Measurement system
- Metric
- Bore diameter
- 25.000 mm
- Outside diameter
- 62.000 mm
- Width
- 18.250 mm
- Width, ourter ring
- 14.000 mm
- Width, inner ring
- 17.000 mm
- Cr
- 52000 N
- C0r
- 45000 N
- Limiting speed
- 8500 r/min
- Net weight
- 0.276 kg
- Number of rows
- 1
- Sealing
- Without
- Cage
- Steel sheet metal
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
- Lubricant in bearing
- None
- Relubrication feature
- Without
In stock
Technical specification for NSK HR30305C
| Parts Number | HR30305C | |
|---|---|---|
| Brand | NSK | |
| Boundary Dimensions | ||
| d | 25 mm | Bore diameter |
| D | 62 mm | Outside diameter |
| T | 18.25 mm | Total width |
| B | 17 mm | Width of inner ring |
| C | 14 mm | Width of outer ring |
| Cup r min. | 1.5 mm | Chamfer dimension of outer ring (Cup) |
| Cone r min. | 1.5 mm | Chamfer dimension of inner ring (Cone) |
| Basic Load Ratings | ||
| Cr | 52000 N | Basic Dynamic Load Rating |
| C0r | 45000 N | Basic Static Load Rating |
| Speeds | ||
| Grease | 6000 min-1 | Grease lubrication |
| Oil | 8500 min-1 | Oil-bath lubrication |
| Dimensions | ||
| a | 16.4 mm | Effective Load Center |
| Abutment and Fillet Dimensions | ||
| da min. | 36 mm | Diameter of shaft abutment |
| Db min. | 58.5 mm | Diameter of housing abutment |
| Da min. | 49 mm | Diameter of housing abutment |
| Da max. | 53 mm | Diameter of housing abutment |
| Sa | 3 mm | Minimum width of space required in housing on large side face |
| Sb | 4 mm | Minimum width of space required in housing on small side face |
| db max. | 35 mm | Diameter of shaft abutment |
| ra max. | 1.5 mm | Radius of shaft or housing fillet of inner ring |
| ra max. | 1.5 mm | Radius of shaft or housing fillet of outer ring |
| Mass | ||
| Weight | 0.276 kg (approx.) | |
HR30305C, NSK, Tapered roller bearings, Bore diameter: 25 mm; Outside diameter 62 mm; Total Width 18.25 mm.
NSK HR30305C, Tapered roller bearings are designed so the apices of the cones formed by the race ways of the cone and cup and the conical rollers all coincide at one point on the axis of the bearing. When a radial load is imposed, an axial force component occurs; therefore, it is necessary to use two bearings in opposition or some other multiple arrangement.
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