FAG 30304-H bearings
Tapered roller bearings 303, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs
- Measurement system
- Metric
- Bore diameter
- 20.000 mm
- Outside diameter
- 52.000 mm
- Width
- 16.250 mm
- Width, ourter ring
- 13.000 mm
- Width, inner ring
- 15.000 mm
- Cr
- 32300 N
- C0r
- 32500 N
- Limiting speed
- 12480 r/min
- Net weight
- 173.0 g
- Number of rows
- 1
- Sealing
- Without
- Cage
- Steel sheet metal
- Bore type
- Cylindrical
- Outer diameter type
- Cylindrical
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
- Lubricant in bearing
- None
- Relubrication feature
- Without
In stock
Technical specification for FAG 30304-H
| Part Number | 30304-H | |
|---|---|---|
| Cage | Standard | Sheet steel cage, window cage, roller-guided |
| Tolerance class | PN | Normal (ISO 492:2014) |
| Main Dimensions & Performance Data | ||
| d | 20 mm | Bore diameter |
| D | 52 mm | Outside diameter |
| B | 15 mm | Width, inner ring |
| C | 13 mm | Width, outer ring |
| T | 16.25 mm | Width, total |
| Cr | 32300 N | Basic dynamic load rating, radial |
| C0r | 32500 N | Basic static load rating, radial |
| Cur | 3700 N | Fatigue load limit, radial |
| nG | 12480 1/min | Limiting speed |
| nδr | 9700 1/min | Thermal speed rating |
| m | 173.0 g | Weight |
| Mounting dimensions | ||
| da max | 28 mm | Maximum diameter of shaft shoulder |
| db min | 27 mm | Minimum diameter of shaft shoulder |
| Da min | 44 mm | Minimum diameter of housing shoulder |
| Da max | 45 mm | Maximum diameter of housing shoulder |
| Db min | 47 mm | Minimum diameter of housing shoulder |
| Ca min | 2 mm | Minimum axial space |
| Cb min | 3 mm | Minimum axial space |
| ra max | 1.5 mm | Maximum fillet radius of shaft |
| rb max | 1.5 mm | Maximum fillet radius of housing |
| Dimensions | ||
| r1,2 min | 1.5 mm | Minimum chamfer dimension of inner ring back face |
| r3,4 min | 1.5 mm | Minimum chamfer dimension of outer ring back face |
| a | 12 mm | Distance between the apexes of the pressure cones |
| d1 | 37 mm | Guidance rib diameter of inner ring |
| Additional information | ||
| T2FB020 | Comparative designation to ISO 10317 and ISO 355 | |
FAG 30304-H, Tapered roller bearings 303, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs, Bore diameter 20 mm, Outside diameter 52 mm, Total Width 16.25 mm.
- Cage: Standard, Sheet steel cage, window cage, roller-guided
- Tolerance: PN, Normal (ISO 492:2014)
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