 
是在薄壁徑向接觸球軸承的基礎上兩面安裝密封圈,可以對軸承起到更多保護作用的完美的結構,能夠保持軸承內部清潔和良好的潤滑,但相對開式或者有隔離塊的軸承設計轉數(shù)要低。

 
 
| 
						型號 | 基本尺寸Major dimensions | 
						重量 | 額定負載Rated | 
						極限轉速 | 
						對應型號 | ||||
| d | D | B | 徑向Radial | ||||||
| 靜 | 動 | KAYDON | SILVERTHIN | ||||||
| mm | Kg | Co(N) | Cr(N) | (RPM) | |||||
| PR040UU | 101.600 | 120.650 | 12.700 | 0.249 | 9,340 | 5,740 | 3,660 | JU040CP0 | JSU040CP0 | 
| PR042UU | 107.950 | 127.000 | 12.700 | 0.263 | 9,880 | 5,870 | 3,460 | JU042CP0 | JSU042CP0 | 
| PR045UU | 114.300 | 133.350 | 12.700 | 0.277 | 10,410 | 6,010 | 3,280 | JU045CP0 | JSU045CP0 | 
| PR047UU | 120.650 | 139.700 | 12.700 | 0.295 | 10,940 | 6,090 | 3,120 | JU047CP0 | JSU047CP0 | 
| PR050UU | 127.000 | 146.050 | 12.700 | 0.308 | 11,520 | 6,180 | 2,980 | JU050CP0 | JSU050CP0 | 
| PR055UU | 139.700 | 158.750 | 12.700 | 0.336 | 12,590 | 6,410 | 2,720 | JU055CP0 | JSU055CP0 | 
| PR060UU | 152.400 | 171.450 | 12.700 | 0.367 | 13,660 | 6,630 | 2,510 | JU060CP0 | JSU060CP0 | 
| PR065UU | 165.100 | 184.150 | 12.700 | 0.395 | 14,720 | 6,810 | 2,330 | JU065CP0 | JSU065CP0 | 
| PR070UU | 177.800 | 196.850 | 12.700 | 0.422 | 15,790 | 6,980 | 2,170 | JU070CP0 | JSU070CP0 | 
| PR075UU | 190.500 | 209.550 | 12.700 | 0.449 | 16,860 | 7.120 | 2,030 | JU075CP0 | JSU075CP0 | 
| PR080UU | 203.200 | 222.250 | 12.700 | 0.481 | 17,930 | 7,340 | 1,910 | JU080CP0 | JSU080CP0 | 
| PR090UU | 228.600 | 247.650 | 12.700 | 0.535 | 20,060 | 7.700 | 1,700 | JU090CP0 | JSU090CP0 | 
| PR100UU | 254.000 | 273.050 | 12.700 | 0.594 | 22,200 | 7,920 | 1,540 | JU100CP0 | JSU100CP0 | 
| PR110UU | 279.400 | 298.450 | 12.700 | 0.649 | 24,330 | 8,360 | 1,410 | JU110CP0 | JSU110CP0 | 
| PR120UU | 304.800 | 323.850 | 12.700 | 0.708 | 26,470 | 8,780 | 1,300 | JU120CP0 | JSU120CP0 |