Item No.Part NumberScaleA Roller Dia (in)B Roller Width (in)C Flange Dia (in)D Flange Thickness (in)Groove Width (in)K Stud Dia (in)K ToleranceL Stud Length (in)M Thread Length (in)N ThreadR Shoulder Dia (in)S Shoulder Length (in)Recommended Mounting Hole Size (in)Recommended Mounting Hole ToleranceApprox Wt (lbs)BearingRadial Capacity 3000hrs L10 Life @100 RPM (lbs)Radial Capacity 500hrs L10 Life @33-1/3 RPM (lbs)Radial Capacity Static Limit (lbs)Thrust Capacity Static Limit (lbs)Mounting Member Thickness Max (in)Mounting Member Thickness Min (in)Stud Capacity Bending Concent.Load @(B-D)/2 (lbs)Retaining Ring Capacity (lbs)
90670 FFLR-1-1/2-4 Imperial 1.5 1.1875 2.1875 0.281 0.558 0.625 +0.000 -0.001 1.5 0.75 5/8-18 0.75 0.0625 0.626 +0.001 -0.000 0.9 BB 1050 2760 1100 680 1 0.75 1374 470
90671 FFLR-2-4 Imperial 2 1.6875 2.6875 0.531 0.558 0.875 +0.000 -0.001 2 1.125 7/8-14 1 0.0625 0.876 +0.001 -0.000 2.3 BB 1460 3826 1620 1000 1.0714 0.875 3984 910
90672 FFLR-2-1/2-4 Imperial 2.5 1.6875 3.1875 0.531 0.562 1 +0.000 -0.001 2.25 1.5 1-14 1.25 0.0625 1.001 +0.001 -0.000 3.5 BB 1979 5187 2268 1400 1.25 0.75 3694 1340
90673 FFLR-3-4 Imperial 3 2 3.9375 0.531 0.874 1.25 +0.000 -0.001 2.5 1.75 1-1/4-12 1.75 0.0625 1.251 +0.001 -0.000 6 TRB 5990 14270 12263 12000 1.25 1 12260 0

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