Attributes

Key Value
B1 Max Shaft Penetration1.812 in
B2 Max Shaft Penetration1.812 in
Balanced DesignYes
Bore (B1)1.3750 in
Bore Tolerance+0.0020 in / +0.0005 in
Clearance Diameter (C) .2.772 in
Country of OriginUSA
Finish SpecificationHot Process Black Oxide.
Forged Clamp Screw5/16-24
Full Bearing Support Re.No
Hex Wrench Size1/4 in
Keyway (K1)5/16 in
Keyway (K2)1/4 in
Length (L)3 5/8 in
ManufacturerRuland Manufacturing
Material Specification1215 Carbon Steel Bar
Maximum Speed4,000 RPM
Moment of Inertia3.3760 lb-in
Note 1Performance ratings are.
Number of Screws8 ea
Nypatch? Anti-Vibration.Yes
Outer Diameter (OD)2 1/2 in
Rated Torque9,600 lb-in
Recommended Gap0.094 in
Recommended Shaft Toler.+0.0000 in / -0.0005 in
Screw FinishBlack Oxide
Screw Location (R)0.986 in
Screw MaterialAlloy Steel with
Seating Torque325 lb-in
Small Bore (B2)1.0000 in
Tariff Code8483.60.8000
Temperature-40?F to 350?F (-40?C t.
UNSPC31163009
UPC634529022740
Weight (lbs)3.529500
Zero-Backlash?Yes
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