FAG 31328-X bearings
Tapered roller bearings 313, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs

- Measurement system
- Metric
- Bore diameter
- 140.000 mm
- Outside diameter
- 300.000 mm
- Width
- 77.000 mm
- Width, ourter ring
- 47.000 mm
- Width, inner ring
- 70.000 mm
- Cr
- 700000 N
- C0r
- 910000 N
- Limiting speed
- 2250 r/min
- Net weight
- 21.9 kg
- 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 31328-X
Part Number | 31328-X | |
---|---|---|
Cage | Standard | Sheet steel cage, window cage, roller-guided |
Tolerance class | PN | Normal (ISO 492:2014) |
Main Dimensions & Performance Data | ||
d | 140 mm | Bore diameter |
D | 300 mm | Outside diameter |
B | 70 mm | Width, inner ring |
C | 47 mm | Width, outer ring |
T | 77 mm | Width, total |
Cr | 700000 N | Basic dynamic load rating, radial |
C0r | 910000 N | Basic static load rating, radial |
Cur | 105000 N | Fatigue load limit, radial |
nG | 2250 1/min | Limiting speed |
nδr | 1690 1/min | Thermal speed rating |
m | 21.9 kg | Weight |
Mounting dimensions | ||
da max | 169 mm | Maximum diameter of shaft shoulder |
db min | 158 mm | Minimum diameter of shaft shoulder |
Da min | 235 mm | Minimum diameter of housing shoulder |
Da max | 282 mm | Maximum diameter of housing shoulder |
Db min | 280 mm | Minimum diameter of housing shoulder |
Ca min | 9 mm | Minimum axial space |
Cb min | 30 mm | Minimum axial space |
ra max | 5 mm | Maximum fillet radius of shaft |
rb max | 4 mm | Maximum fillet radius of housing |
Dimensions | ||
r1,2 min | 5 mm | Minimum chamfer dimension of inner ring back face |
r3,4 min | 4 mm | Minimum chamfer dimension of outer ring back face |
a | 94 mm | Distance between the apexes of the pressure cones |
d1 | 223 mm | Guidance rib diameter of inner ring |
Additional information | ||
T7GB140 | Comparative designation to ISO 10317 and ISO 355 |

FAG 31328-X, Tapered roller bearings 313, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs, Bore diameter 140 mm, Outside diameter 300 mm, Total Width 77 mm.
- Cage: Standard, Sheet steel cage, window cage, roller-guided
- Tolerance: PN, Normal (ISO 492:2014)
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