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30318
BWK
BWK-30318
30318 is a single row tapered roller bearing with a 90 mm bore, 190 mm outside diameter and 46.5 mm width. Carries combined radial and axial loads. The cone and cup can be installed separately; paired bearings allow axial support in both directions.
| Model | 30318 |
| Product Type | Single Row Tapered Roller Bearing |
| Structure | Single row tapered rollers with separable cone and cup |
| Cone Part Number | X30318M |
| Cup Part Number | Y30318M |
| System of Measurement | Metric |
| Bearing Type | Roller |
| Roller Bearing Type | Tapered |
| Type | Bearing |
| Seal Type | Open |
| Cups Type | Standard |
| For Load Direction | Combined |
| Construction | Single Row |
| Series | 30318 |
| ABEC Rating | ABEC-1 |
| Bore Dia | 90 mm |
| Bore Dia Tolerance | -0.02mm to 0 |
| Outer Dia | 190 mm |
| Outer Dia Tolerance | -0.03mm to 0 |
| Width | 46.5 mm |
| Width Tolerance | +0.2mm to -0.2mm |
| Effective Center Location | -9.4 mm |
| Cup Width | 36 mm |
| Cup Width Tolerance | -0.25mm to 0 |
| Cup Backface ToClear Radius | 3 mm |
| Cup Frontface Backing Diameter | 176 mm |
| Cup Backface Backing Diameter | 173 mm |
| Cone Width | 43 mm |
| Cone Width Tolerance | -0.15mm to 0 |
| Cone Backface ToClear Radius | 4 mm |
| Cone Frontface Backing Diameter | 105 mm |
| Cone Backface Backing Diameter | 112 mm |
| Cage Cone Frontface Clearance | 6.4 mm |
| Cage Cone Backface Clearance | 3.8 mm |
| Ring Material | Chrome Steel |
| Roller Material | Chrome Steel |
| Cage Material | Steel |
| Dynamic Radial Load | 91350 lbf |
| Static Radial Load | 96525 lbf |
| Radial Clearance | Standard (Available in C3/C4/C5) |
| Dynamic Radial Rating(90 Million Revolutions)(C90) | 23625 lbf |
| Dynamic Thrust Rating(90 Million Revolutions)(Ca90) | 13995 lbf |
| Temperature Range | -30° to 110 °C |
| Lubrication | Required |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 12.26 lb |
Industrial gearboxes, wheel hubs and heavily loaded shaft supports.
Confirm the cone, cup and total assembled width. Set the operating clearance or preload for the paired arrangement and ensure full seating against the shoulders.
BWK provides reliable bearing solutions for industrial and agricultural applications, supported by stable supply, strict quality control and flexible OEM & ODM services.
