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EPB21 Plastic Plain Bearings8

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投稿時: 2021-2-23 23:10:55 | 全てのスレをシューする |閲覧モード
Product Name:EPB21 Plastic Plain Bearings9 A  d- ~* q3 u. x
Product Description:& f* E4 x3 ?3 O' M1 E
CSB Plastic is one of the leading China epb21 plastic plain bearings manufacturers and suppliers, and also a professional epb21 plastic plain bearings factory and company, we are always at your services.EPB21 Plastic Plain Bearings● Low friction and good wear resistance for high temperature applications. The excellent chemical resistance of the material ensures athe applications for high temperature and high chemical erosion applications.● Continuous working temperature: -40℃~200℃;● Very low coefficient of friction;● Maintenance-free dry operation;● High temperature and good chemical resistance;● Suitable for humid environment.The Material Data SheetTypical ItemStandardUnitCSB-EPB21? ?DensityISO1183g/cm31.53? ?ColorBuff? ?Dynamic friction /steel(dry)0.05-0.20? ?Max. PV (dry)N/mm2×m/s0.80? ?Max. roatating velocitym/s2.00? ?Max. oscillating velocitym/s1.00? ?Max. linear velocitym/s5.00? ?Tensile strengthISO527MPa55? ?Compressive strength (Axial)MPa78? ?E-moduleISO527MPa2800? ?Max. static pressure of the surface, 20℃MPa80??Shore hardnessISO868D77? ?Continuous work temperature℃-40/200? ?Short-time work temperature℃-40/240? ?Thermal conductivityASTME1461W/m×k0.5? ?Linear coef. of thermal expansionASTMD696K-1×10-55? ?Moisture absorption RH50/23℃ASTMD570%0.1? ?Max. water absorption, 23℃%0.3? ?FlammabilityUL94V0? ?Volume resistivityIEC60093Ωcm>1012? ?Surface resistivityIEC60093Ω>1011PV Value of BearingsThe max PV value of the CSB-EPB21 series bearing is 0.8N/mm2*m/s which determines the load capacity of bearing is inversely proportional to the speed. Please refer to the chart for more detailed information (Graph EPB21-1).The Relation of Load, Speed and TemperatureCSB-EPB21 allows the Max static load of 80Mpa, The max compressive deformation rate under the max load is listed in Graph EPB21-2, The actual load capacity of bearing is slightly less than 80Mpa, The bearing load is variable against the speed and temperature, Fast speed (Vmax: 2.0m/s) results into higher temperature (Tmax: 200℃) which decreases the load capacity of the bearing. Please refer to the Graph EPB21-3 for such variation.The Friction Factor,Wearing and shaft materialFriction Factor?8 f# E2 x* s) n6 M7 i% s
?Friction factor will be slightly decreased along with the speed increasing under certain loading of the rotation operation (see Graph EPB21-4) and it will be slightly decreased along with the loading increasing under certain speed of the rotation operation especially when the loading is less than 30Mpa. Graph EPB21-5 tells that the friction of the CSB-EPB21 is not changed at all when the shaft roughness is between Ra0.3 to Ra0.4 and will be considerably increased when the shaft roughness is over Ra0.4. SoCSB-EPB21DryGreaseOilWaterFriction coef.?μ0.03~0.150.090.040.04Wearing and shaft materialGraph EPB21-7 shows that CSB-EPB21 is suitable for most of the shaft materials under low loading rotation operation and it is good for hardened carbon steel shaft under high loading rotation operation (see Graph EPB21-7). From Graph EPB21-8, we can also read that CSB-EPB21 is suitable for stainless steel shaft under oscillation operation and good for hot rolled carbon steel and hardened carbon steel shaft under rotation operation.Chemical ResistanceThe Chemical Resistance of CSB-EPB21 is fairly good against most of Acid and Alkalis.Water AbsorbabilityThe water absorb rate of CSB-EPB21 is 0.1% under the atmospheric pressure while it is 0.3% when the material is immerged into water. The material performance and dimensions of the material is stabilized for the applications under humid environment.UV ResistanceDisintegration could be possible for the material CSBEPB21 after long period of exposing under the UV ray and therefore the compressive strength will be reduced.Bearing InstallationCSB-EPB21A?The Interfit ToleranceDiameter mmTolerance after fit E10Fit Housing H7Fit Shaft h9>0~3+0.014~+0.0540~+0.0100~-0.025>3~6+0.020~+0.0680~+0.0120~-0.030>6~10+0.025~+0.0830~+0.0150~-0.036>10~18+0.032~+0.1020~+0.0180~-0.043>18~30+0.040~+0.1240~+0.0210~-0.052>30~50+0.050~+0.1500~+0.0250~-0.062>50~80+0.060~+0.1800~+0.0300~-0.074>80~120+0.072~+0.2120~+0.0350~-0.087>120~180+0.085~+0.2450~+0.0400~-0.100# G8 h& t: E* `. T6 f
Price:10.00( u- }+ j1 o3 H, B1 i, }; I
Product Website:http://www.csbbearings.com/plastic-bearings/epb21-plastic-plain-bearings.html8 U& n% L. m5 |, Z8 f4 @, M. V" z
Company Description
& k* t6 R6 {: a! _Zhejiang CSB Plastic Bearing Technology Co.,Ltd./ q; e: J( W0 `' F7 e
Address:ZheJiangZheJiangJiaXingJiashanNo.138, Changsheng Road, Weitang Industrial Zone, Jiashan, Zhejiang,China8 x4 ^  m8 G& J' m  s- x/ B8 u5 }7 G
Descption: As a leading manufacturer of Self-lubricating bearings, we are devoted to researching and producing new Self-lubricating bearing materials,plastic bearings,plastic linear bearings,plastic bushings. We have successfully developed various bearing materials with many different standard bearing sizes, including Metal-polymer Composite materials, Metallic Based Self-lubricating materials, Plastic compound materials and Filament wound composite materials. This website mainly introduces the technical characteristics and the applications of Plastic plain bearings, Plastic Linear bearings, Plastic Spherical Bearings,Filament wound bearings that are produced by CSB subsidiary company Jiashan Changsheng Engineering Plastic Bearing Co., Ltd. The issued standard series of materials and the products are suitable for most applications. We concentrate on the special material developing and new application promotion of the bearings. The self-lubricating modification technology research of high polymers makes CSB the market leader in Non-metal sliding bearing field.
5 Y  W4 W4 Z6 n5 s  _* X( tRegistered Capital:50000000( z1 c# n6 W( |8 K* H; [* g3 Z; q* l9 C
EmployeeNum:700# t! J3 }0 L. L! y+ ~0 E
Zhejiang CSB Plastic Bearing Technology Co.,Ltd.4 b& J: C. w' j
Contact:CaoCong- A. @3 G+ m" m: i8 w0 y
Telphone:86-0573-84185528-0( C, }# i! P; O# ]8 D
Fax:86-0573-84183450-0- y" u' d9 e# f6 G2 J
Email[email protected]
, u* p) s4 H, B/ S4 e1 Y0 b- {Company Website:http://www.csbbearings.com+ E4 ?2 d0 @8 l: _' [% r$ G& j4 p

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