NSK HR31315J bearings
HR31315J, NSK, Metric series tapered roller bearings
- Measurement system
- Metric
- Bore diameter
- 75.000 mm
- Outside diameter
- 160.000 mm
- Width
- 40.000 mm
- Width, ourter ring
- 26.000 mm
- Width, inner ring
- 37.000 mm
- Cr
- 259000 N
- C0r
- 251000 N
- Limiting speed
- 3000 r/min
- Net weight
- 3.47 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 HR31315J
| Parts Number | HR31315J | |
|---|---|---|
| Brand | NSK | |
| Boundary Dimensions | ||
| d | 75 mm | Bore diameter |
| D | 160 mm | Outside diameter |
| T | 40 mm | Total width |
| B | 37 mm | Width of inner ring |
| C | 26 mm | Width of outer ring |
| Cup r min. | 2.5 mm | Chamfer dimension of outer ring (Cup) |
| Cone r min. | 3 mm | Chamfer dimension of inner ring (Cone) |
| Basic Load Ratings | ||
| Cr | 259000 N | Basic Dynamic Load Rating |
| C0r | 251000 N | Basic Static Load Rating |
| Speeds | ||
| Grease | 2200 min-1 | Grease lubrication |
| Oil | 3000 min-1 | Oil-bath lubrication |
| Dimensions | ||
| a | 48.7 mm | Effective Load Center |
| Abutment and Fillet Dimensions | ||
| da min. | 99 mm | Diameter of shaft abutment |
| Db min. | 152 mm | Diameter of housing abutment |
| Da min. | 129 mm | Diameter of housing abutment |
| Da max. | 148 mm | Diameter of housing abutment |
| Sa | 6 mm | Minimum width of space required in housing on large side face |
| Sb | 14 mm | Minimum width of space required in housing on small side face |
| db max. | 91 mm | Diameter of shaft abutment |
| ra max. | 2.5 mm | Radius of shaft or housing fillet of inner ring |
| ra max. | 2 mm | Radius of shaft or housing fillet of outer ring |
| Mass | ||
| Weight | 3.47 kg (approx.) | |
HR31315J, NSK, Tapered roller bearings, Bore diameter: 75 mm; Outside diameter 160 mm; Total Width 40 mm.
NSK HR31315J, 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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