ER Series

Low Breakaway Torque
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Part Product Name Style2 Inch/Metric Inner Diameter Outer Diameter Width Dynamic Capacity Static Capacity Inner Ring Width Outer Ring Width Bearing Material Ring Material Finish Operating Temperature Enclosure Cage Material Fillet Radius Series Bore Size (in) Bore Size (mm) Dynamic Load Rating (lbf) Dynamic Load Rating (N) Inside Ring Width (in) Inside Ring Width (mm) Item Name Material Operating Temperature (Max) ºC Operating Temperature (Max) ºF Outside Diameter (in) Outside Diameter (mm) Outside Ring Width (in) Outside Ring Width (mm) Static Load Rating (lbf) Static Load Rating (N) Weight (lb) Bore Shape Fillet Radius/Chamfer (in) Fillet Radius/Chamfer (mm) Speed (Max) (rpm) Total Width (in) Total Width (mm) Clearance Filling Slot Include Snap Ring Outside Ring Shape Flange Diameter (in) Flange Diameter (mm) UPC
ER10 RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter Precision Ground, Extended Inner Ring, Metric Outside Diameter Inch 0.6250" 47 mm 1.4375" 2860 lbf 1480 lbf 1.21875" 0.625" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Black Oxide Less Than 300 ºF Double Sealed No Cage 0.04" Nice® 0.63 15.88 1480 6583 1.2188 30.9575 RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter 52100 Bearing Quality Steel 148.9 300 1.85 47.00 0.6250 15.88 2860 12722 0.56 Round 0.040 1.02 5000 1.4375 36.51 C0 Single Row Non-Fill Slot No Flanged With Snap Ring Groove 2.0625 52.39 637400400330
ER10SFR RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter Inch 0.6250" 47 mm 1.4375" 2860 lbf 1480 lbf 1.21875" 0.625" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Black Oxide Less Than 300 ºF Double Sealed No Cage 0.04" Nice® 0.63 15.88 1480 6583 1.2188 30.9575 RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter 52100 Bearing Quality Steel 148.9 300 1.85 47.00 0.6250 15.88 2860 12722 0.56 Round 0.040 1.02 5000 1.4375 36.51 C0 Single Row Non-Fill Slot No Flanged With Snap Ring Groove 2.0625 52.39 637400400347
ER12 RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter Precision Ground, Extended Inner Ring, Metric Outside Diameter Inch 0.7500" 47 mm 1.2188" 2860 lbf 1480 lbf 1.21875" 0.625" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Black Oxide Less Than 300 ºF Double Sealed No Cage 0.04" Nice® 0.75 19.05 1480 6583 1.2188 30.9575 RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter 52100 Bearing Quality Steel 148.9 300 1.85 47.00 0.6250 15.88 2860 12722 0.56 Round 0.040 1.02 5000 1.2188 30.96 C0 Single Row Non-Fill Slot No Flanged With Snap Ring Groove 2.0625 52.39 637400390693
ER12SFR RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter Inch 0.7500" 47 mm 1.2188" 2860 lbf 1480 lbf 1.21875" 0.625" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Black Oxide Less Than 300 ºF Double Sealed No Cage 0.04" Nice® 0.75 19.05 1480 6583 1.2188 30.9575 RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter 52100 Bearing Quality Steel 148.9 300 1.85 47.00 0.6250 15.88 2860 12722 0.56 Round 0.040 1.02 5000 1.2188 30.96 C0 Single Row Non-Fill Slot No Flanged With Snap Ring Groove 2.0625 52.39 637400400378
ER16 RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter Precision Ground, Extended Inner Ring, Metric Outside Diameter Inch 1.0000" 52 mm 1.3750" 3145 lbf 1770 lbf 1.375" 0.75" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Black Oxide Less Than 300 ºF Double Sealed No Cage 0.04" Nice® 1.00 25.40 1770 7873 1.375 34.925 RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter 52100 Bearing Quality Steel 148.9 300 2.05 52.00 0.75 19.05 3145 13990 0.68 Round 0.040 1.02 5000 1.3750 34.92 C0 Single Row Non-Fill Slot No Flanged With Snap Ring Groove 2.2656 57.55 637400390709
ER16NC 1.375" 0.75" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Uncoated Less Than 300 ºF Double Sealed No Cage 0.04" 745795077690
ER16SFR RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter Inch 1.0000" 52 mm 1.3750" 3145 lbf 1770 lbf 1.375" 0.75" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Black Oxide Less Than 300 ºF Double Sealed No Cage 0.04" Nice® 1.00 25.40 1770 7873 1.375 34.925 RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter 52100 Bearing Quality Steel 148.9 300 2.05 52.00 0.75 19.05 3145 13990 0.68 Round 0.040 1.02 5000 1.3750 34.92 C0 Single Row Non-Fill Slot No Flanged With Snap Ring Groove 2.2656 57.55 637400400392
ER19 RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter Precision Ground, Extended Inner Ring, Metric Outside Diameter Inch 1.1875" 62 mm 1.5000" 4360 lbf 2535 lbf 1.5" 0.875" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Black Oxide Less Than 300 ºF Double Sealed No Cage 0.04" Nice® 1.19 30.16 2535 11276 1.5 38.1 RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter 52100 Bearing Quality Steel 148.9 300 2.44 62.00 .875 22.22 4360 19394 0.93 Round 0.040 1.02 5000 1.5000 38.1 C0 Single Row Non-Fill Slot No Flanged With Snap Ring Groove 2.6563 67.47 637400390716
ER19NC 1.5" 0.875" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Uncoated Less Than 300 ºF Double Sealed No Cage 0.04" 745795057036
ER19SFR RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter Inch 1.1875" 62 mm 1.5000" 4360 lbf 2535 lbf 1.5" 0.875" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Black Oxide Less Than 300 ºF Double Sealed No Cage 0.04" Nice® 1.19 30.16 2535 11276 1.5 38.1 RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter 52100 Bearing Quality Steel 148.9 300 2.44 62.00 .875 22.22 4360 19394 0.93 Round 0.040 1.02 5000 1.5000 38.1 C0 Single Row Non-Fill Slot No Flanged With Snap Ring Groove 2.6563 67.47 637400400415
ER20 RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter Precision Ground, Extended Inner Ring, Metric Outside Diameter Inch 1.2500" 72 mm 1.6875" 5755 lbf 3450 lbf 1.6875" 0.9375" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Black Oxide Less Than 300 ºF Double Sealed No Cage 0.04" Nice® 1.25 31.75 3450 15346 1.6875 42.8625 RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter 52100 Bearing Quality Steel 148.9 300 2.84 72.00 0.9375 23.81 5755 25600 0.93 Round 0.040 1.02 5000 1.6875 42.86 C0 Single Row Non-Fill Slot No Flanged With Snap Ring Groove 3.0781 78.18 637400390723
ER20SFR RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter Inch 1.2500" 72 mm 1.6875" 5755 lbf 3450 lbf 1.6875" 0.9375" 52100 Bearing Quality Steel 52100 Bearing Quality Steel Black Oxide Less Than 300 ºF Double Sealed No Cage 0.04" Nice® 1.25 31.75 3450 15346 1.6875 42.8625 RBC NICE Ball Bearings - ER SeriesTM Precision Ground Radial Bearings with Extended Inner Ring and Metric Outside Diameter 52100 Bearing Quality Steel 148.9 300 2.84 72.00 0.9375 23.81 5755 25600 0.93 Round 0.040 1.02 5000 1.6875 42.86 C0 Single Row Non-Fill Slot No Flanged With Snap Ring Groove 3.0781 78.18 637400400439
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