The Timken Company - Aurora Bearing GEG…ES Series, Spherical Plain Bearings – Heavy Duty - Metric

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Ball – 52100 steel - heat treated - protective coated for corrosion resistance.
Race – 52100 steel - heat treated - single fracture - protective coated for corrosion resistance.
Note: The dimensions and tolerances apply before surface treatment and splitting of the outer race. The outer race becomes slightly out of round due to splitting. When the bearing is mounted into a housing, the roundness of the outer race will be restored. The measured value of the bearing outside diameter without mounting is not to be used as the original actual value of the outside diameter.

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Unit of Measure

Items	GEG12E Aurora Bearing GEG…ES Series, Spherical Plain Bearings – Heavy Duty - Metric – Open and Sealed	GEG15ES Aurora Bearing GEG…ES Series, Spherical Plain Bearings – Heavy Duty - Metric – Open and Sealed	GEG15ES-2RS Aurora Bearing GEG…ES Series, Spherical Plain Bearings – Heavy Duty - Metric – Open and Sealed	GEG17ES Aurora Bearing GEG…ES Series, Spherical Plain Bearings – Heavy Duty - Metric – Open and Sealed	GEG17ES-2RS Aurora Bearing GEG…ES Series, Spherical Plain Bearings – Heavy Duty - Metric – Open and Sealed
Type	N/A Open	N/A Open	N/A Sealed	N/A Open	N/A Sealed
B - Ball Bore Dia. Max.	N/A 12.000 mm	N/A 15.000 mm	N/A 15.000 mm	N/A 17.000 mm	N/A 17.000 mm
B - Ball Bore Dia. Min.	N/A 11.992 mm	N/A 14.992 mm	N/A 14.992 mm	N/A 16.992 mm	N/A 16.992 mm
D - Race Outside Dia. Max.	N/A 26.000 mm	N/A 30.000 mm	N/A 30.000 mm	N/A 35.000 mm	N/A 35.000 mm
D - Race Outside Dia. Min.	N/A 25.991 mm	N/A 29.991 mm	N/A 29.991 mm	N/A 34.989 mm	N/A 34.989 mm
W - Ball Width Max.	N/A 15.00 mm	N/A 16.00 mm	N/A 16.00 mm	N/A 20.00 mm	N/A 20.00 mm
W - Ball Width Min.	N/A 14.88 mm	N/A 15.88 mm	N/A 15.88 mm	N/A 19.88 mm	N/A 19.88 mm
H - Race Width Max.	N/A 9.00 mm	N/A 10.00 mm	N/A 10.00 mm	N/A 12.00 mm	N/A 12.00 mm
H - Race Width Min.	N/A 8.76 mm	N/A 9.76 mm	N/A 9.76 mm	N/A 11.76 mm	N/A 11.76 mm
O - Flat Dia. Ref.	N/A 16.09 mm	N/A 19.21 mm	N/A 19.21 mm	N/A 21.00 mm	N/A 21.00 mm
C - Ball Bore Chamfer Min.	N/A .30 mm
M - Race Chamfer Min.	N/A .30 mm
a - Misalign. Angle	N/A 18.0 º	N/A 16.0 º	N/A 16.0 º	N/A 19.0 º	N/A 19.0 º
Radial Static Limit Load Capacity	N/A 84 kN	N/A 106 kN	N/A 106 kN	N/A 146 kN	N/A 146 kN
Approx. Brg. Wt.	N/A 36 g	N/A 48 g	N/A 48 g	N/A 80 g	N/A 80 g