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 | 
                                                        
|---|---|---|---|---|---|---|---|---|---|
| EE244180 - 244236CD | Series N/A 244000 | d - Bore N/A 18.0000 in457.200 mm | D - Cup Outer Diameter N/A 23.5000 in596.9 mm | B - Cone Width N/A 2.875 in73.025 mm | C - Double Cup Width N/A 4.7500 in120.650 mm | T - Bearing Width across Cones N/A 6.4999 in165.097 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 82400 lbf367000 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 554000 lbf2460000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 24780 - 24720D | Series N/A 24700 | d - Bore N/A 1 5/8 in41.275 mm | D - Cup Outer Diameter N/A 3 in76.2 mm | B - Cone Width N/A 0.9063 in23.02 mm | C - Double Cup Width N/A 1.5625 in39.688 mm | T - Bearing Width across Cones N/A 1.9374 in49.210 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4400 lbf19600 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 29600 lbf132000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 24781 - 24720D | Series N/A 24700 | d - Bore N/A 1 5/8 in41.275 mm | D - Cup Outer Diameter N/A 3 in76.2 mm | B - Cone Width N/A 0.9063 in23.02 mm | C - Double Cup Width N/A 1.5625 in39.688 mm | T - Bearing Width across Cones N/A 1.9374 in49.210 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4400 lbf19600 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 29600 lbf132000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 24781 - 24720XD | Series N/A 24700 | d - Bore N/A 1 5/8 in41.275 mm | D - Cup Outer Diameter N/A 3 in76.2 mm | B - Cone Width N/A 0.9063 in23.02 mm | C - Double Cup Width N/A 1.5625 in39.688 mm | T - Bearing Width across Cones N/A 1.9374 in49.210 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4400 lbf19600 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 29600 lbf132000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2581 - 2523D | Series N/A 2500 | d - Bore N/A 1 5/16 in33.338 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2586 - 2523D | Series N/A 2500 | d - Bore N/A 1.1811 in30 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2582 - 2523D | Series N/A 2500 | d - Bore N/A 1 1/4 in31.75 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2584 - 2523D | Series N/A 2500 | d - Bore N/A 1.2808 in32.532 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 1.0608 in26.944 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.7500 in69.850 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2558 - 2523D | Series N/A 2500 | d - Bore N/A 1 3/16 in30.163 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2585 - 2523D | Series N/A 2500 | d - Bore N/A 1 5/16 in33.338 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2560X - 2523D | Series N/A 2500 | d - Bore N/A 1.1811 in30 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2580A - 2523D | Series N/A 2500 | d - Bore N/A 1 1/4 in31.75 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2580 - 2523D | Series N/A 2500 | d - Bore N/A 1 1/4 in31.75 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2578 - 2523D | Series N/A 2500 | d - Bore N/A 1 1/8 in28.575 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2559 - 2523D | Series N/A 2500 | d - Bore N/A 1 3/16 in30.163 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2585 - 2524YD | Series N/A 2500 | d - Bore N/A 1 5/16 in33.338 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2582 - 2524YD | Series N/A 2500 | d - Bore N/A 1 1/4 in31.75 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2581 - 2524YD | Series N/A 2500 | d - Bore N/A 1 5/16 in33.338 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2578 - 2524YD | Series N/A 2500 | d - Bore N/A 1 1/8 in28.575 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2558 - 2524YD | Series N/A 2500 | d - Bore N/A 1 3/16 in30.163 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 2580 - 2524YD | Series N/A 2500 | d - Bore N/A 1 1/4 in31.75 mm | D - Cup Outer Diameter N/A 2.7500 in69.850 mm | B - Cone Width N/A 0.9983 in25.357 mm | C - Double Cup Width N/A 2.2500 in57.150 mm | T - Bearing Width across Cones N/A 2.6250 in66.675 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 4880 lbf21700 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 32800 lbf146000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 25580 - 25520D | Series N/A 25500 | d - Bore N/A 1 3/4 in44.45 mm | D - Cup Outer Diameter N/A 3.2650 in82.931 mm | B - Cone Width N/A 1.0000 in25.400 mm | C - Double Cup Width N/A 1.8750 in47.625 mm | T - Bearing Width across Cones N/A 2.2500 in57.150 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 5270 lbf23500 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 35400 lbf158000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 25576 - 25520D | Series N/A 25500 | d - Bore N/A 1 11/16 in42.863 mm | D - Cup Outer Diameter N/A 3.2650 in82.931 mm | B - Cone Width N/A 1.0000 in25.400 mm | C - Double Cup Width N/A 1.8750 in47.625 mm | T - Bearing Width across Cones N/A 2.2500 in57.150 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 5270 lbf23500 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 35400 lbf158000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 25584 - 25520D | Series N/A 25500 | d - Bore N/A 1.7710 in44.983 mm | D - Cup Outer Diameter N/A 3.2650 in82.931 mm | B - Cone Width N/A 1.0000 in25.400 mm | C - Double Cup Width N/A 1.8750 in47.625 mm | T - Bearing Width across Cones N/A 2.2500 in57.150 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 5270 lbf23500 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 35400 lbf158000 N | 
                                    
                                        CAD                                                    
 N/A                                                         | 
                                                                    
| 25577 - 25520D | Series N/A 25500 | d - Bore N/A 1.6880 in42.875 mm | D - Cup Outer Diameter N/A 3.2650 in82.931 mm | B - Cone Width N/A 1.0000 in25.400 mm | C - Double Cup Width N/A 1.8750 in47.625 mm | T - Bearing Width across Cones N/A 2.2500 in57.150 mm | C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) N/A 5270 lbf23500 N | C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) N/A 35400 lbf158000 N | 
                                    
                                        CAD                                                    
 N/A                                                         |