| Items |
 MM9306WI 2H SUH Fafnir® Single Row Imperial Ball Screw Support Bearings (MM9-H) |
MM9306WI 2H DUH Fafnir® Single Row Imperial Ball Screw Support Bearings (MM9-H) |
MM9306WI 2H QUH Fafnir® Single Row Imperial Ball Screw Support Bearings (MM9-H) |
MM9306WI 2H SUM Fafnir® Single Row Imperial Ball Screw Support Bearings (MM9-H) |
MM9306WI 2H DUM Fafnir® Single Row Imperial Ball Screw Support Bearings (MM9-H) |
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| Rows per Set | Single | Duplex | Quadruplex | Single | Duplex | |||||
| Design Units | Metric | |||||||||
| d - Bore | 20 mm | |||||||||
| D - Outer Diameter | 47 mm1.8504 in | |||||||||
| Bearing Width | 15.88 mm0.625 in | |||||||||
| Total Width | 15.88 mm0.625 in | 31.76 mm1.25 in | 63.52 mm2.5000 in | 15.88 mm0.625 in | 31.76 mm1.25 in | |||||
| Contact Angle | 60 º | |||||||||
| C0 - Static Radial Rating (per row) | 24900 N5600 lbf | |||||||||
| Ce - Dynamic Radial Rating (per row)1 | 24900 N5600 lbf | |||||||||
| Limiting Speed (Grease) (per row) | 4400 rpm | |||||||||
| Limiting Speed (Oil) (per row) | 8800 rpm | |||||||||
| Ball Type | STEEL | |||||||||
| Cage Type | CR - Phenolic Outer Land Riding Cage | |||||||||
| Bearing Weight | 0.13 Kg0.280 lb | 0.26 Kg0.56 lb | 0.52 Kg1.12 lb | 0.13 Kg0.280 lb | 0.26 Kg0.56 lb | |||||
| R - Inner Ring "To Clear" Radius2 | 0.8 mm0.031 in | |||||||||
| r - Outer Ring "To Clear" Radius3 | 0.800 mm0.031 in | |||||||||
| da - Inner Ring Backing Diameter | 33.492 mm1.3186 in | |||||||||
| Da - Outer Ring Backing Diameter | 34.491 mm1.3579 in | |||||||||
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