MD5311

ZD Duplex Unit

Item #104406343

Heavy Contact Seals

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Product Details

Easy bearing clearance: can be field adjusted to meet application needs
Mounting to suit the load and installation requirements
Shaft ready: prelubricated with standard grease for normal operation
other lubricants available for special conditions
Fully self-aligning: spherical roller bearing to accommodate operational and installation misalignment
Rugged housing: standard material – cast iron, steel or ductile iron available on request
Carburized raceways: case-carburized inner races provide a hard, fatigue-resistant surface and a tough, crack-resistant ductile core
Interchangeable seals: three types of seals to match the application requirements: Z seal, for the broad range of normal operating conditions
K seal, for dusty, dirty conditions
and M seal, for protection against liquid contamination
For extra protection under severe conditions, auxiliary caps are also available

Specifications

Housing Material	Cast Iron
Shaft Dia.	3.6875 in
Length Through Bore	6.25 in
Bolt Circle Dia.	8 3/4 in
Width Between Flanges [Min]	3.180 in
Locking Device	Double Setscrew Locking Collars
Flange Thickness	17/32 in
Length Across Flats	8 5/8 in
Bolt Size	5/8 in
Recommended Housing Bore Diameter [Min]	7.0875 in
Outer Race Diameter	7.089 in
Seal Type	Heavy Contact Seals
Collar Extension	1 in
Bolt Hole Spacing	6 3/16 in
Width Between Flanges [Max]	3.200 in
Collar O.D.	5 5/8 in
Recommended Housing Bore Diameter [Max]	7.0895 in
Size Code	11
Weight	38.0 LB