The Timken ® Syber ® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.
A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.
Alex Waye, Timken Application Engineer, shows you how to instantly compute tangential, radial, and axial forces for better design decisions.
                            Part Number | 
                        
                            Series | 
                        
                            d - Bore | 
                        
                            D - Cup Outer Diameter | 
                        
                            B - Cone Width | 
                        
                            C - Double Cup Width | 
                        
                            T - Bearing Width across Cones | 
                        
                            C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) | 
                        
                            C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) | 
                        
                            CAD | 
                                                        
|---|---|---|---|---|---|---|---|---|---|
| 27687 - 27620DA | Series N/A 27600 | d - Bore N/A 3 1/4 in82.550 mm | D - Cup Outer Diameter N/A 4.9375 in125.413 mm | B - Cone Width N/A 1.0000 in25.400 mm | C - Double Cup Width N/A 1.7500 in44.450 mm | T - Bearing Width across Cones N/A 2.1873 in55.557 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 6830 lbf30400 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 45900 lbf204000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 27684A - 27620DA | Series N/A 27600 | d - Bore N/A 3 in76.2 mm | D - Cup Outer Diameter N/A 4.9375 in125.413 mm | B - Cone Width N/A 1.0000 in25.400 mm | C - Double Cup Width N/A 1.7500 in44.450 mm | T - Bearing Width across Cones N/A 2.1873 in55.557 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 6450 lbf28700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 43300 lbf193000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 27684 - 27620DA | Series N/A 27600 | d - Bore N/A 3 in76.2 mm | D - Cup Outer Diameter N/A 4.9375 in125.413 mm | B - Cone Width N/A 1.0000 in25.400 mm | C - Double Cup Width N/A 1.7500 in44.450 mm | T - Bearing Width across Cones N/A 2.1873 in55.557 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 6830 lbf30400 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 45900 lbf204000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 27689 - 27620DA | Series N/A 27600 | d - Bore N/A 3.2813 in83.345 mm | D - Cup Outer Diameter N/A 4.9375 in125.413 mm | B - Cone Width N/A 1.0000 in25.400 mm | C - Double Cup Width N/A 1.7500 in44.450 mm | T - Bearing Width across Cones N/A 2.1873 in55.557 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 6830 lbf30400 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 45900 lbf204000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 27689H - 27620DA | Series N/A 27600 | d - Bore N/A 3.2813 in83.345 mm | D - Cup Outer Diameter N/A 4.9375 in125.413 mm | B - Cone Width N/A 1.0000 in25.400 mm | C - Double Cup Width N/A 1.7500 in44.450 mm | T - Bearing Width across Cones N/A 2.1873 in55.557 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 6450 lbf28700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 43300 lbf193000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 27680 - 27620DA | Series N/A 27600 | d - Bore N/A 2.8750 in73.025 mm | D - Cup Outer Diameter N/A 4.9375 in125.413 mm | B - Cone Width N/A 1.0000 in25.400 mm | C - Double Cup Width N/A 1.7500 in44.450 mm | T - Bearing Width across Cones N/A 2.1873 in55.557 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 6830 lbf30400 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 45900 lbf204000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 27691 - 27620DA | Series N/A 27600 | d - Bore N/A 3.2813 in83.345 mm | D - Cup Outer Diameter N/A 4.9375 in125.413 mm | B - Cone Width N/A 1.0000 in25.400 mm | C - Double Cup Width N/A 1.7500 in44.450 mm | T - Bearing Width across Cones N/A 2.1873 in55.557 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 6830 lbf30400 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 45900 lbf204000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 27695 - 27620DA | Series N/A 27600 | d - Bore N/A 3.3455 in84.976 mm | D - Cup Outer Diameter N/A 4.9375 in125.413 mm | B - Cone Width N/A 1.0000 in25.400 mm | C - Double Cup Width N/A 1.7500 in44.450 mm | T - Bearing Width across Cones N/A 2.1873 in55.557 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 6830 lbf30400 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 45900 lbf204000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 27690 - 27620DA | Series N/A 27600 | d - Bore N/A 3.2813 in83.345 mm | D - Cup Outer Diameter N/A 4.9375 in125.413 mm | B - Cone Width N/A 1.0000 in25.400 mm | C - Double Cup Width N/A 1.7500 in44.450 mm | T - Bearing Width across Cones N/A 2.1873 in55.557 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 6830 lbf30400 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 45900 lbf204000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 27875 - 27820D | Series N/A 27800 | d - Bore N/A 1 3/8 in34.925 mm | D - Cup Outer Diameter N/A 3.1510 in80.035 mm | B - Cone Width N/A 0.9330 in23.698 mm | C - Double Cup Width N/A 1.7700 in44.958 mm | T - Bearing Width across Cones N/A 2.2500 in57.150 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4550 lbf20200 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 30500 lbf136000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 27881 - 27820D | Series N/A 27800 | d - Bore N/A 1 1/2 in38.10 mm | D - Cup Outer Diameter N/A 3.1510 in80.035 mm | B - Cone Width N/A 0.9330 in23.698 mm | C - Double Cup Width N/A 1.7700 in44.958 mm | T - Bearing Width across Cones N/A 2.2500 in57.150 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4550 lbf20200 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 30500 lbf136000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 27880 - 27820D | Series N/A 27800 | d - Bore N/A 1 1/2 in38.10 mm | D - Cup Outer Diameter N/A 3.1510 in80.035 mm | B - Cone Width N/A 0.9330 in23.698 mm | C - Double Cup Width N/A 1.7700 in44.958 mm | T - Bearing Width across Cones N/A 2.2500 in57.150 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4550 lbf20200 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 30500 lbf136000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| EE280702 - 281201D | Series N/A 280000 | d - Bore N/A 7 in177.800 mm | D - Cup Outer Diameter N/A 12 in304.8 mm | B - Cone Width N/A 2.7207 in69.106 mm | C - Double Cup Width N/A 3.8750 in98.425 mm | T - Bearing Width across Cones N/A 5.8203 in147.836 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 35100 lbf156000 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 236000 lbf1050000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| EE280626 - 281201D | Series N/A 280000 | d - Bore N/A 6.25 in158.750 mm | D - Cup Outer Diameter N/A 12 in304.8 mm | B - Cone Width N/A 2.7207 in69.106 mm | C - Double Cup Width N/A 3.8750 in98.425 mm | T - Bearing Width across Cones N/A 5.8203 in147.836 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 35100 lbf156000 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 236000 lbf1050000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 28138 - 28314XD | Series N/A 28000 | d - Bore N/A 1.3770 in34.976 mm | D - Cup Outer Diameter N/A 3.1510 in80.035 mm | B - Cone Width N/A 0.8244 in20.940 mm | C - Double Cup Width N/A 1.3750 in34.925 mm | T - Bearing Width across Cones N/A 1.8126 in46.040 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 3700 lbf16500 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 24800 lbf111000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 28137 - 28314XD | Series N/A 28000 | d - Bore N/A 1 3/8 in34.925 mm | D - Cup Outer Diameter N/A 3.1510 in80.035 mm | B - Cone Width N/A 0.8244 in20.940 mm | C - Double Cup Width N/A 1.3750 in34.925 mm | T - Bearing Width across Cones N/A 1.8126 in46.040 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4390 lbf19500 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 29500 lbf131000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 28159 - 28314XD | Series N/A 28000 | d - Bore N/A 1.5740 in39.980 mm | D - Cup Outer Diameter N/A 3.1510 in80.035 mm | B - Cone Width N/A 0.8244 in20.940 mm | C - Double Cup Width N/A 1.3750 in34.925 mm | T - Bearing Width across Cones N/A 1.8126 in46.040 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 3700 lbf16500 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 24800 lbf111000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 28118 - 28314XD | Series N/A 28000 | d - Bore N/A 1 3/16 in30.163 mm | D - Cup Outer Diameter N/A 3.1510 in80.035 mm | B - Cone Width N/A 0.8244 in20.940 mm | C - Double Cup Width N/A 1.3750 in34.925 mm | T - Bearing Width across Cones N/A 1.8126 in46.040 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4390 lbf19500 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 29500 lbf131000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 28158 - 28314XD | Series N/A 28000 | d - Bore N/A 1.5748 in40 mm | D - Cup Outer Diameter N/A 3.1510 in80.035 mm | B - Cone Width N/A 0.8244 in20.940 mm | C - Double Cup Width N/A 1.3750 in34.925 mm | T - Bearing Width across Cones N/A 1.8126 in46.040 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4390 lbf19500 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 29500 lbf131000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 28150 - 28314XD | Series N/A 28000 | d - Bore N/A 1 1/2 in38.10 mm | D - Cup Outer Diameter N/A 3.1510 in80.035 mm | B - Cone Width N/A 0.8244 in20.940 mm | C - Double Cup Width N/A 1.3750 in34.925 mm | T - Bearing Width across Cones N/A 1.8126 in46.040 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4390 lbf19500 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 29500 lbf131000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 28156 - 28314XD | Series N/A 28000 | d - Bore N/A 1.5740 in39.980 mm | D - Cup Outer Diameter N/A 3.1510 in80.035 mm | B - Cone Width N/A 0.7736 in19.649 mm | C - Double Cup Width N/A 1.3750 in34.925 mm | T - Bearing Width across Cones N/A 1.7110 in43.459 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4390 lbf19500 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 29500 lbf131000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 28151 - 28314XD | Series N/A 28000 | d - Bore N/A 1 1/2 in38.10 mm | D - Cup Outer Diameter N/A 3.1510 in80.035 mm | B - Cone Width N/A 0.8244 in20.940 mm | C - Double Cup Width N/A 1.3750 in34.925 mm | T - Bearing Width across Cones N/A 1.8126 in46.040 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 3700 lbf16500 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 24800 lbf111000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 28137 - 28318D | Series N/A 28000 | d - Bore N/A 1 3/8 in34.925 mm | D - Cup Outer Diameter N/A 3.1510 in80.035 mm | B - Cone Width N/A 0.8244 in20.940 mm | C - Double Cup Width N/A 1.3750 in34.925 mm | T - Bearing Width across Cones N/A 1.8126 in46.040 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4390 lbf19500 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 29500 lbf131000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 28159 - 28318D | Series N/A 28000 | d - Bore N/A 1.5740 in39.980 mm | D - Cup Outer Diameter N/A 3.1510 in80.035 mm | B - Cone Width N/A 0.8244 in20.940 mm | C - Double Cup Width N/A 1.3750 in34.925 mm | T - Bearing Width across Cones N/A 1.8126 in46.040 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 3700 lbf16500 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 24800 lbf111000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 28118 - 28318D | Series N/A 28000 | d - Bore N/A 1 3/16 in30.163 mm | D - Cup Outer Diameter N/A 3.1510 in80.035 mm | B - Cone Width N/A 0.8244 in20.940 mm | C - Double Cup Width N/A 1.3750 in34.925 mm | T - Bearing Width across Cones N/A 1.8126 in46.040 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4390 lbf19500 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 29500 lbf131000 N | 
                                    
                                        CAD                                                    
 N/A                                                         |