Spherical Roller Bearings
| Designations | Boundary Dimensions | Basic Load Ratings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Limiting Speeds | ||||||||||||
| d | D | B | r (min.) | Cr | C0r | Thermal Speed Rating (Oil-bath) | Mechanical (forced-circulation oil) | Grease | Oil (Oil-bath) | |||
| mm | mm | mm | mm | N | N | min-1 | min-1 | min-1 | min-1 | |||
| square | 21304CDE4 | 20 | 52 | 15 | 1.1 | 29300 | 26900 | 10000 | 6300 | 8200 | ||
| square | 21304CDKE4 | 20 | 52 | 15 | 1.1 | 29300 | 26900 | 10000 | 6300 | 8200 | ||
| square | 22205CE4 | 25 | 52 | 18 | 1 | 37500 | 37000 | 10000 | 7100 | 9000 | ||
| square | 22205CKE4 | 25 | 52 | 18 | 1 | 37500 | 37000 | 10000 | 7100 | 9000 | ||
| square | 21305CDE4 | 25 | 62 | 17 | 1.1 | 43000 | 40500 | 9000 | 5300 | 6700 | ||
| square | 21305CDKE4 | 25 | 62 | 17 | 1.1 | 43000 | 40500 | 9000 | 5300 | 6700 | ||
| square | 22206CE4 | 30 | 62 | 20 | 1 | 50000 | 50000 | 8500 | 6000 | 7500 | ||
| square | 22206CKE4 | 30 | 62 | 20 | 1 | 50000 | 50000 | 8500 | 6000 | 7500 | ||
| square | 21306CDE4 | 30 | 72 | 19 | 1.1 | 55000 | 54000 | 7500 | 4500 | 6000 | ||
| square | 21306CDKE4 | 30 | 72 | 19 | 1.1 | 55000 | 54000 | 7500 | 4500 | 6000 | ||
| square | 22207CE4 | 35 | 72 | 23 | 1.1 | 69000 | 71000 | 7500 | 5300 | 6700 | ||
| square | 22207CKE4 | 35 | 72 | 23 | 1.1 | 69000 | 71000 | 7500 | 5300 | 6700 | ||
| square | 21307CDE4 | 35 | 80 | 21 | 1.5 | 71500 | 76000 | 7100 | 4000 | 5300 | ||
| square | 21307CDKE4 | 35 | 80 | 21 | 1.5 | 71500 | 76000 | 7100 | 4000 | 5300 | ||
| square | 22208EAE4 | 40 | 80 | 23 | 1.1 | 113000 | 99500 | 7100 | 12000 | 6700 | 8500 | |
| square | 22208EAKE4 | 40 | 80 | 23 | 1.1 | 113000 | 99500 | 7100 | 12000 | 6700 | 8500 | |
| square | 21308EAE4 | 40 | 90 | 23 | 1.5 | 118000 | 111000 | 6700 | 11000 | 6000 | 7500 | |
| square | 21308EAKE4 | 40 | 90 | 23 | 1.5 | 118000 | 111000 | 6700 | 11000 | 6000 | 7500 | |
| square | 22308EAE4 | 40 | 90 | 33 | 1.5 | 170000 | 153000 | 5600 | 9000 | 5300 | 6700 | |
| square | 22308EAKE4 | 40 | 90 | 33 | 1.5 | 170000 | 153000 | 5600 | 9000 | 5300 | 6700 | |
Back to top