Bi plenn esferik gen yon bag enteryè ak yon dyamèt ekstèn konvèks sphered ak yon bag ekstèn ak yon sifas ki korespondan sphered men konkav andedan.Konsepsyon yo fè yo patikilyèman apwopriye pou aranjman portant kote mouvman aliyman ant arbr ak lojman yo dwe akomode, oswa kote mouvman osile oswa renouvlab enklinezon oswa vire yo dwe posib nan vitès glisman relativman dousman, souvan akonpaye ak chaj lou.
BEARINGS PLAIN SFERIK: GE…UK 2RS Pati No. | Dimansyon mm | pwa kg |
| d | D | B | C | d1 | dk | R1s | R2s | α | |
| | | | | min | | min | min | ≈ | |
GE17UK2RS | 17 | 30 | 14 | 10 | 20 | 25 | 0.3 | 0.3 | 10 | 0.037 |
GE20UK2RS | 20 | 35 | 16 | 12 | 24 | 29 | 0.3 | 0.3 | 9 | 0.06 |
GE25UK2RS | 25 | 42 | 20 | 16 | 29 | 35.5 | 0.6 | 0.6 | 7 | 0.11 |
GE30UK2RS | 30 | 47 | 22 | 18 | 34 | 40.7 | 0.6 | 0.6 | 6 | 0.14 |
GE35UK2RS | 35 | 55 | 25 | 20 | 39 | 47 | 0.6 | 1 | 6 | 0.22 |
GE40UK2RS | 40 | 62 | 28 | 22 | 45 | 53 | 0.6 | 1 | 7 | 0.3 |
GE45UK2RS | 45 | 68 | 32 | 25 | 50 | 60 | 0.6 | 1 | 7 | 0.39 |
GE50UK2RS | 50 | 75 | 35 | 28 | 55 | 66 | 0.6 | 1 | 6 | 0.53 |
GE60UK2RS | 60 | 90 | 44 | 36 | 66 | 80 | 1 | 1 | 6 | 0.98 |
GE70UK2RS | 70 | 105 | 49 | 40 | 77 | 92 | 1 | 1 | 6 | 1.5 |
GE80UK2RS | 80 | 120 | 55 | 45 | 88 | 105 | 1 | 1 | 6 | 2.2 |
GE90UK2RS | 90 | 130 | 60 | 50 | 98 | 115 | 1 | 1 | 5 | 2.7 |
GE100UK2RS | 100 | 150 | 70 | 55 | 109 | 130 | 1 | 1 | 7 | 4.2 |
GE110UK2RS | 110 | 160 | 70 | 55 | 121 | 140 | 1 | 1 | 6 | 4.7 |
GE120UK2RS | 120 | 180 | 85 | 70 | 135 | 160 | 1 | 1 | 6 | 8.1 |
GE140UK2RS | 140 | 210 | 90 | 70 | 155 | 180 | 1 | 1 | 7 | 10.6 |
GE160UK2RS | 160 | 230 | 105 | 80 | 170 | 200 | 1 | 1 | 8 | 13.8 |
GE180UK2RS | 180 | 260 | 105 | 80 | 199 | 225 | 1.1 | 1.1 | 6 | 17.4 |
GE200UK2RS | 200 | 290 | 130 | 100 | 213 | 250 | 1.1 | 1.1 | 7 | 26 |