MD5203

ZD Duplex Unit

Item #104405041

Heavy Contact Seals

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each One-time purchase

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

Recommended Housing Bore Diameter [Min]	3.9385 in
Flange Thickness	5/16 in
Collar Extension	11/16 in
Bolt Circle Dia.	4 13/16 in
Size Code	7
Seal Type	Heavy Contact Seals
Width Between Flanges [Max]	1.890 in
Collar O.D.	3 1/4 in
Shaft Dia.	2.1875 in
Bolt Hole Spacing	3 13/32 in
Length Across Flats	4 9/16 in
Locking Device	Double Setscrew Locking Collars
Length Through Bore	4.125 in
Outer Race Diameter	3.94 in
Housing Material	Cast Iron
Recommended Housing Bore Diameter [Max]	3.9405 in
Bolt Size	7/16 in
Width Between Flanges [Min]	1.870 in
Weight	7.3 LB