NACHI 7212DB angular contact ball bearings

Max operating temperature, Tmax:120 °C; r min.:2 mm; Outer Diameter (mm):140; Da max.:131 mm; Size (mm):80x140x33; Min operating temperature, Tmin:-20 °C; ra max:2 mm; Calculation factor (e):0,25; D:140 mm; B:33 mm;

Max operating temperature, Tmax:120 °C; r min.:2 mm; Outer Diameter (mm):140; Da max.:131 mm; Size (mm):80x140x33; Min operating temperature, Tmin:-20 °C; ra max:2 mm; Calculation factor (e):0,25; D:140 mm; B:33 mm;

G2 - Heat Generation Factor (Rib-Roller End):141; G1 - Heat Generation Factor (Roller-Raceway)7:1150; Series:M244200; Y1 - ISO Factor5:2.03; Design Units:Imperial; Cg - Geometry Factor8:0.136; C - Double Cup Width:4.1875 in; e - ISO Factor4:0.33; K - Factor3:1.76; D:12.3750 in;

Weight:691 Kg; d:460 mm; Calculation factor (Y0):1,8; (Oil) Lubrication Speed:380 r/min; Outer Diameter (mm):830; ra max.:6 mm; da min.:496 mm; D:830 mm; (Grease) Lubrication Speed:280 r/min; Calculation factor (Y2):2,8;

Weight:691 Kg; d:460 mm; Calculation factor (Y0):1,8; (Oil) Lubrication Speed:380 r/min; Outer Diameter (mm):830; ra max.:6 mm; da min.:496 mm; D:830 mm; (Grease) Lubrication Speed:280 r/min; Calculation factor (Y2):2,8;

G1 - Heat Generation Factor (Roller-Raceway):555.5; Series:99000; C90 - Dynamic Radial Rating (90 million revolutions)5:38500 lbf; C0 - Static Radial Rating:231000 lbf; db - Cone Backface Backing Diameter:7.13 in; K - Factor8:1.43; Aa - Cage-Cone Backface Clearance:0.34 in; Cage Type:Stamped Steel; C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:258000 lbf; Ca90 - Dynamic Thrust Rating (90 million revolutions)7:26800 lbf;

Thrust Bearing:No; Manufacturer Name:KOYO; Bore Diameter (mm):17.463; D:22.212 mm; Inch - Metric:Inch; Size (mm):17.463x22.212x9.53; Outside Diameter:0.875 Inch | 22.225; Manufacturer Item Number:B-116; EAN:0605790197895; Product Group:B04144;

Outer Diameter (mm):420; Oil lub.:1500; Size (mm):300x420x56; ra(max):2.5; B:56 mm; (Oil) Lubrication Speed:1500 r/min; Bearing number:6960; d:300 mm; Cr:345; (Refer.)Mass(kg):24.1;

G2 - Heat Generation Factor (Rib-Roller End):141; G1 - Heat Generation Factor (Roller-Raceway)7:1150; Series:M244200; Y1 - ISO Factor5:2.03; Design Units:Imperial; Cg - Geometry Factor8:0.136; C - Double Cup Width:4.1875 in; e - ISO Factor4:0.33; K - Factor3:1.76; D:12.3750 in;

Da max.:70,4 mm; Basic dynamic load rating (C):9,56 kN; Width (mm):16; db min:49,6 mm; (Grease) Lubrication Speed:30 000 r/min; D1:65,5 mm; Outer Diameter (mm):75; d1:56,5 mm; C1:8,6 mm; Basic static load rating (C0):7,2 kN;

Cage Type:Stamped Steel; e - ISO Factor8:0.37; C90 - Dynamic Radial Rating (90 million revolutions)4:6100 lbf; Da - Cup Frontface Backing Diameter:3.03 in; G1 - Heat Generation Factor (Roller-Raceway)10:29.9; Ca90 - Dynamic Thrust Rating (90 million revolutions)6:3820 lbf; db - Cone Backface Backing Diameter:1.73 in; r - Cup Backface To Clear Radius2:0.130 in; D1 - Flange Outer Diameter:3.3090 in; Y - ISO Factor9:1.64;

Outer Diameter (mm):420; Oil lub.:1500; Size (mm):300x420x56; ra(max):2.5; B:56 mm; (Oil) Lubrication Speed:1500 r/min; Bearing number:6960; d:300 mm; Cr:345; (Refer.)Mass(kg):24.1;