ffl W illi ill Ja M SPECIALIZED MANUFACTURER OF THIN WALL BEARING ± « & ft & ffl S »J E W PS & I5| Shanghai SXD Precision Bearing Production Co.,Ltd. Web:www.nmb-bearing.com.cn Tel:008621-58116922 Email:sxd@xindong-bearing. com.cn ADD:No.8 Hangye Road.Hangtou Town.Pudong District,Shanghai,China Shanghai SXD Precision Bearing Production Co.,I id.

Bearing The Selection Of Material Deep groove ball bearing radial clearance Cr(no load) SMS. Mm GCr 15 (AISI 52100)®]®. (H62) aSt tfc ® $L ^ (SPCC BQB402) flU®!)*. The ring and balls of SDLB bearings are made of refining steel GCr15(AISI 52100),the retainer are punched from brass strip(H62) or top quality cold-rolled steel strip (SPCC BQB402) and reinforced plastics are avail-able if necessary.The shield is made of imported special material (SPCC JISG314),sealing ring adopts phosphating framed and fiber-like oil resistant rubber hot-pressing is made. Bearing accuracy iiiwRiftffi®. ■. m. m. 5$....

0 Levels of tolerance (G grade) Radial bearing ( except tapered roller bearings) (JjfiE£&) 6 Levels of tolerance (E grade) I'J Lower deviation With the same bearing inner ring of Ab5 and Vb» ofthe same With the same bearing inner ring of Ab* and Vb* ofthe same

(*) ga (5 levels of tolerance of outer ring) f*) HI (4 levels of tolerance of outer ring) Max Upper lvldX deviation ^bgj (5 levels of tolerance of outer ring) 4*54>H£MI] (4 levels of tolerance of outer ring) Seaab Sealab Upper Lower deviation deviation Seabc Sealc Upper Lower deviation deviation With the same bearing inner ring of As* ofthe same With the same bearing inner ring of Ab, ofthe same

±\)Tn ?T*1}'# Shields, Seals and Lubricant $®S3R®3SR<k£ (Z. zz) (RS. 2RS) ±#. £thrWe«3E7S»lft 20jr"H0Jtl!fi*g±„ imt&t+ft&W. #EjSSiT©Bt^)±Wg*S.)WgW ^ Vibrationg and NoiseffZ1,Z2,Z3*^„&m. fflvi,v2,v3*^,The vibration and noise of bearing are classified as Z1, Z2 and Z3. It is mesasured by the instrument of SO910-1. For special requirement.it is measured by BVT-1 and classified as VI, V2 and V3. The date are shown as below, customer need mark the requirement of vibration and noise class on the order. The bearings are divided into various types such as open , single shield or double shield (Z.ZZ)...

Vibrating and Noise fflvi,v2,v3^. nmmTm. sp«irs^#a«a»*£* The vibration and noise of bearing are classified as Z1, Z2 and Z3. It is mesasured by the instrument of SO910-1. For special requirement.it is measured by BVT-1 and classified as VI, V2 and V3. The date are shown as below, customer need mark the requirement of vibration and noise class on the order. SHANGHAI SXO PRECISION BEARING PRODUCTION CO.. LTD. SHANGHAI SXO PRECISION BEARING PRODUCTION CO.. LTD SXP beo/rUv^j/ ourts ro-LLi*^g fro-w £Jvl*u*/ fo~ five/ w&ridsl 55/56