SKF SY 55 WF Ball bearing plummer block units
Brand:SKF
Original:
Type:Bearing Block
Item:SY 55 WF
Inner:55
Outner:69.06
Thickness:74.5
Weight:3.65
Description
SKF SY 55 WF properties
| Compliance with standard | ISO | |||
| Housing material | Cast iron | |||
| Sealing solution | Standard seals with additional flingers | |||
Dimensions
| d | 55 | mm | |
| d1 | ≈ | 69.06 | mm |
| d2 | 74.5 | mm | |
| A | 60 | mm | |
| A1 | 40 | mm | |
| A5 | 37.5 | mm | |
| B1 | 71.4 | mm | |
| B4 | 7.9 | mm | |
| H | 126 | mm | |
| H1 | 63.5 | mm | |
| H2 | 24 | mm | |
| J | 171.5 | mm | |
| J | max. | 181 | mm |
| J | min. | 162 | mm |
| L | 219 | mm | |
| N | 27.5 | mm | |
| N1 | 18 | mm | |
| s1 | 43.6 | mm | |
| Threaded hole | |||
| RG | 1/4-28 UNF | ||
| R1 | 4.5 | mm | |
| Rα | 45 | ° | |
| Grease fitting | |||
| DN | 6.5 | mm | |
| SWN | 7 | mm | |
| GN | 1/4-28 SAE-LT | ||
| Dowel pins | |||
| J6 | 201 | mm | |
| J7 | 21 | mm | |
| N4 | 4 | mm | |
Calculation data
| Basic dynamic load rating | C | 43.6 | kN | |
| Basic static load rating | C0 | 29 | kN | |
| Fatigue load limit | Pu | 1.25 | kN | |
| Limiting speed | 3600 | r/min |
with shaft tolerance h6
Mass
| Mass bearing unit | 3.65 | kg |
Mounting information
| Thread grub screw | G2 | M10x1 | ||
| Hexagonal key size for grub screw | N | 5 | mm | |
| Recommended tightening torque for grub screw | 16.5 | N·m | ||
| Recommended diameter for attachment bolts, mm | G | 16 | mm | |
| Recommended diameter for attachment bolts, inch | G | 0.625 | in | |
Included products
| Housing |
SY 511 M
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| Bearing |
YEL 211-2F
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Associated products
| End cover |
ECY 211
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