The Timken Company - SLD 1900 Series - Inch (Imperial)

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Medium torque
Allows smaller diameter hubs
Exceptional concentricity
Self-centering
Axial hub position fixed during clamping

Metric shafts 6 mm to 130 mm
Inch shafts 3/4 to 2-15/16 inch
Larger sizes on request
10 - 18,618 ft-lb

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Unit of Measure

Items	69790498474 SLD 1900 Series - Inch (Imperial)	69790498475 SLD 1900 Series - Inch (Imperial)	69790498476 SLD 1900 Series - Inch (Imperial)	69790498477 SLD 1900 Series - Inch (Imperial)	69790498478 SLD 1900 Series - Inch (Imperial)
Description	N/A SLD-1900-IN-3/4	N/A SLD-1900-IN-7/8	N/A SLD-1900-IN-15/16	N/A SLD-1900-IN-1	N/A SLD-1900-IN-1-1/8
Shaft Size	N/A 3/4 in	N/A 7/8 in	N/A 15/16 in	N/A 1 in	N/A 1 1/8 in
Coupling Size	N/A SLD 1900
Type	N/A Internal
Hub Outside Diameter (Dimension d)	N/A 0.750 in19.05 mm	N/A 0.875 in22.23 mm	N/A 0.938 in23.83 mm	N/A 1.000 in25.40 mm	N/A 1.125 in28.58 mm
Tolerance of Shaft (T₁)	N/A +0 -0.0013 in	N/A +0 -0.0013 in	N/A +0 -0.0013 in	N/A +0 -0.0013 in	N/A +0 -0.0016 in
Shaft Locking Device Outside Diameter (Dimension D)	N/A 1.063 in27.00 mm	N/A 1.260 in32.00 mm	N/A 1.339 in34.00 mm	N/A 1.339 in34.00 mm	N/A 1.535 in39.00 mm
Tolerance of Hub Bore (T₂)	N/A -0 +0.0015 in
Thrust Rings Width at Relaxed State (Dimension B)	N/A 1.496 in38.00 mm	N/A 1.772 in45.00 mm	N/A 1.772 in45.00 mm	N/A 1.772 in45.00 mm	N/A 1.772 in45.00 mm
Collar Material	N/A Silver/Metallic
Weight	N/A 0.77 lb	N/A 0.88 lb	N/A 0.88 lb	N/A 0.88 lb	N/A 1.10 lb
Locking Screw Size (Dimension T)	N/A M6
Screw Type	N/A Socket Head Cap Screw
Screw Material	N/A Steel
Style	N/A Self Centering
Application	N/A Internal Shaft Locking Device
Diameter to Flange (Dimension D₁)	N/A 1.890 in48.01 mm	N/A 2.126 in54.00 mm	N/A 2.205 in56.01 mm	N/A 2.205 in56.01 mm	N/A 2.402 in61.01 mm
Contact Length (Dimension l)	N/A 0.709 in18.00 mm	N/A 0.984 in25.00 mm	N/A 0.984 in25.00 mm	N/A 0.984 in25.00 mm	N/A 0.984 in25.00 mm
Max. Transmissible Axial Force	N/A 5568.00 lbf	N/A 6496.00 lbf	N/A 5952.00 lbf	N/A 5939.00 lbf	N/A 9384.00 lbf
Max. Transmissible Torque	N/A 174.00 ft·lb	N/A 203.00 ft·lb	N/A 217.00 ft·lb	N/A 232.00 ft·lb	N/A 391.00 ft·lb
Screw Tightening Torque	N/A 12.00 ft·lb
Pressure on The Hub	N/A 11592.00 psi	N/A 7419.00 psi	N/A 7154.00 psi	N/A 7154.00 psi	N/A 9851.00 psi
Pressure on The Shaft	N/A 8966.00 psi	N/A 6675.00 psi	N/A 6385.00 psi	N/A 5985.00 psi	N/A 8399.00 psi
Total Width at Relaxed State (Dimension L)	N/A 1.732 in43.99 mm	N/A 2.008 in51.00 mm	N/A 2.008 in51.00 mm	N/A 2.008 in51.00 mm	N/A 2.008 in51.00 mm
# of Locking Screws	N/A 4	N/A 4	N/A 4	N/A 4	N/A 6
Cubic inches	N/A 1.95711 in³49.71050 mm³	N/A 3.18790 in³80.97268 mm³	N/A 3.60019 in³91.44471 mm³	N/A 3.60019 in³91.44471 mm³	N/A 4.73130 in³120.17501 mm³