Technical Parameters
SONL 220-520 TSO 520 TSO 520 A ECO 220-520 22220 EK H 320 FRB 7/180 90 mm 60 mm 180 mm 186 mm 130 mm 150 mm 196 mm 206 mm 112 mm 80 mm 270 mm 323 mm 145 mm 50 mm 320 mm 75 mm 400 mm 32 mm 26 mm 103 mm 47 mm 150 mm 25 mm 350 mm max.8 mm G 3/8 50 mm 47 mm G 3/4 144 mm 22 mm 97 mm 150 mm 1 080 kN 450 kN 300 kN 280 kN 360 kN 140 kN 440 kN 250 kN 220 kN M 12x90 80 N·m 24 mm 665 N·m M 12 min.53 mm min.0.4 l max.70 mm max.0.6 lAssociated products
Housing Seal kit for a through shaft Seal kit for a shaft end End cover Bearing Adapter sleeve Locating ring 
Dimensions
da Shaft diameter Ca Width of bearing seat Da Diameter of bearing seat A Width A1 Foot width A2 Distance housing centreline to oil level gauge side face AA Width for shaft end arrangement AB Width for through shaft arrangement d1 Outside diameter of seal B1 Width of seal H Height H0 Height including eye bolt H1 Centre height of bearing seat H2 Foot height J Distance between attachment bolts J1 Distance between attachment bolts L Length N Length of attachment bolt hole N1 Width of attachment bolt hole S Distance bearing centreline to seal end face ba Distance bearing centre line to shaft end bb Distance shaft end to seal side face s2 Distance shaft end to end cover J6 Distance between dowel pins N4 Diameter of dowel pins PG Size of tapped oil inlet hole in housing cap P1 Distance housing centre line to oil inlet, housing cap P2 Distance housing centre line to oil inlet, housing cap RG Size of tapped oil outlet hole in housing base R1 Distance between oil outlets in housing base R2 Height of oil outlet position O1 Height housing bottom to oil level gauge top O2 Distance housing centre line to oil level gauge end 
Breaking loads, housing
P55° Breaking load P90° Breaking load P120° Breaking load P150° Breaking load P180° Breaking load Pa Breaking load 
Yield point, cap bolts
Q120° Load carrying ability of cap bolts Q150° Load carrying ability of cap bolts Q180° Load carrying ability of cap bolts Mounting information
Size of cap bolt Recommended tightening torque for cap bolts Recommended diameter for attachment bolts G Recommended tightening torque for attachment bolts Size of eye bolt Oil level Oil fill Oil level Oil fill
Our factory
Warehouse
Warehouse
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Products Description
The combination of SKF housings, bearings and accessories is an excellent choice for a customized, reliable and sustainable solution for your shaft arrangement. SKF has a wide range of high-quality housing designs and sizes to meet your specific challenge – including specially designed housings for special applications. The bearings reflect SKF’s state-of-the-art technology, providing the highest-quality bearings. You need to buy each part in the combination separately.
Many variants
Customized combinations
Cost-efficient
Reliable
Sustainable
