1 Rolling Element Bearings Figure 11-1, Mechanical Engineering Design , Juvinall & Marshek Bearing Terminology ? Tapered Bore: Seat the bearing onto a tapered shaft or to accommodate a tapered sleeve which can be used to fix a bearing to a shaft. ? Shields or Seals: Between the inner and outer rings to capture lubricating grease around the balls and prevent intrusion of contaminants.( Z-shield

UC2 UCX UC3 SB2,SB2G NA2 NA3 SA2,SA2G UK2 UK3 UCP P, PK, LP 1.带立式座轴承 UCP2, NAP2 , UKP2+H, SBP2G , SAP2G UCPK2, NAPK2, UCAK2, NAAK2 UCPX, SALP2G , SBLP2G UCP3, NAP3, UKP3+H 立式座是在轴承座中应用量最大的， UCP、UCPK、UCAK 和 SBLPG 型的轴承都是通 过轴承内圈上的紧定螺钉固定在轴上，而 NAP、NAPK 和 SALP 型的轴承都是通过偏 心套上的紧定螺钉固定在轴承上， UKP 类的轴承通过紧定套固定在轴上。 UCPH PH 2.带高中心立式座轴承 UCPH2 , NAPH2, UKPH2+H UCPH3 它是中心高比普通立式座高的一种立式座 UCPA PA, PG 3.带底面有安装螺孔的立式座轴