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JM 738249/210
Metric Single Row Tapered Roller Bearings
Dimensions: Bore (Inner) Diameter: 190 mm； Outer Diameter: 260 mm； Width (Thickness): 46 mm;
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Product Attributes
| Product Number | JM 738249/210 |
| Bore diameter | 190 mm |
| Outside diameter | 260 mm |
| Total width | 46 mm |
| Shoulder diameter of inner ring | 227 mm |
| Widthof inner ring | 44 mm |
| Width of outer ring | 36.5 mm |
| Chamfer minimum dimension of inner ring (r1,2) | 3 mm |
| Chamfer minimum dimension of outer ring (r3,4) | 2.5 mm |
| Distance side face to pressure point (a) | 54 mm |
| Basic dynamic load rating (Cr) | 443 kn |
| Basic static load rating (Cor) | 765 kN |
| Fatigue load limit (Pu) | 72 kN |
| Reference speed | 1800 r/min |
| Limiting speed | 2200 r/min |
| Mass | 7.1 kg |
| Limiting value (e) | 0.48 |
| Axial load factor (Y) | 1.25 |
| Axial load factor (Y0) | 0.7 |
| Maximum diameter of shaft abutment (da) | 205 mm |
| Minimum diameter of shaft abutment (db) | 205 mm |
| Minimum diameter of housing abutment (Da) | 235 mm |
| Maximum diameter of housing abutment (Da) | 247 mm |
| Minimum diameter of housing abutment (Db) | 252 mm |
| Minimum width of space required in housing on large side face (C | 8 mm |
| Minimum width of space required in housing on small side face (C | 9.5 mm |
| Maximum Radius of shaft fillet (ra) | 3 mm |
| Maximum Radius of housing fillet (rb) | 2.5 mm |
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