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High Quality Four Point Angular Contact Ball Bearings Qj202 Qj203 Qj204 Qj205 Qj206 Qj207 Qj208 Qj209 Qj210 XL-MPa Ma N2ma Lb, P0 P6 P5 P4 Grade1
Four Point Contact Ball Bearing, P0 P6 P5 P4 Grade, Four Point Contact Bearing, Qj Angular Ball Bearing
TIK INDUSTRIAL CO., LIMITED
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Product Description Four - point angular contact ball bearings are a type of single - row angular contact ball bearings2. Here is a detailed introduction:Structural CharacteristicsSplit Inner Ring: The inner ring of a four - point angular contact ball bearing is split into two halves. This design allows for the installation of more balls, increasing the bearing's load - carrying capacity. The outer ring with the ball and cage assembly and the two inner ring halves can be mounted separately, which is convenient for installation and maintenance.Raceway Design: The outer ring raceway is offset, which enlarges the contact area between the balls and the raceway, enabling the bearing to withstand greater axial loads. The inner and outer ring raceways have a peach - shaped cross - section. When there is no load or only a pure radial load is applied, each ball contacts the raceways at four points, thus giving the bearing its name. When a pure axial load is applied, the balls and the raceways have only two contact points.Working PrinciplesLoad - Bearing Capacity: With a contact angle of 35 degrees, these bearings can support both radial and axial loads. The four contact points between the balls and the raceways distribute the load evenly, allowing the bearing to handle higher loads. They can bear bi - directional axial loads and, within a certain range, radial loads. Moreover, they can also bear moment loads, combining the functions of single - row and double - row angular contact ball bearings.Axial Rigidity: Four - point angular contact ball bearings offer good axial rigidity, resisting axial displacement under load and maintaining accurate shaft position. This is crucial in applications requiring high positional accuracy.AdvantagesSpace - Saving: Requiring less axial space than double - row angular contact ball bearings, they are suitable for applications with limited space, such as robotics, turntables, and indexing tables.Low Friction: Due to the rolling contact of the balls, these bearings exhibit relatively low friction, resulting in smooth operation and reduced energy consumption.ApplicationsIndustrial Machinery: Commonly used in machine tools, printing presses, and robotics, they can handle high loads and provide excellent rigidity, meeting the requirements of precision applications.Automotive Industry: Used in steering systems, transmissions, and wheel hubs to handle high loads and offer reliable performance in harsh environments.Aerospace Engineering: Employed in aircraft landing gear and other critical aerospace applications. They can withstand extreme temperatures and harsh conditions, meeting the stringent requirements of aerospace.Model NumberQJ series.TypeFour point anuglar contact ball bearing.Sealing typeopen, ZZ, 2RS.Materialsupreme bearing steel AISI 52100.Cage Materialsteel, nylon, brass.HardnessHRC 60-64.Radial ClearanceC0, C2, C3, C4, C5.VibrationZ1V1, Z2V2, Z3V3.Precision RatingABEC-1, ABEC-3, ABEC-5.GreaseAs per your requirement, such as Chevron SRI-2 ,Multemp PS2, Shell Alvania R2, Changcheng 2 and so on.CertificationsISO 9001:2015.Brand NameTIK.PackagePlastic tube package, single box package, industrial rolled package or as per buyer's requirement.Place of OriginChina (Mainland).Features(1) High precision;(2) High speed;(3) Low noise;(4) Long life span.Payment Term TT, L/C, Western Union or Paypal.PortShanghai, Tianjin, Qingdao or Ningbo.SamplesFree samples are available.DesignationPrincipal dimensionsBasic load ratingsFatigue load limitSpeed ratings dynamicstatic Limiting speed dDBCC0Pu mmkNkNr/minQJ 202 N2MA15351112.78.30.35536000QJ 203 N2MA1740121711.40.4830000QJ 303 N2MA17471423.4150.6428000QJ 304 MA2052153221.60.9324000QJ 304 N2PHAS2052153221.60.9324000QJ 304 N2MA2052153221.60.9324000QJ 205 MA2552152721.20.922000QJ 305 MA25621742.5301.2720000QJ 305 N2MA25621742.5301.2720000QJ 205 N2MA2552152721.20.922000QJ 206 MA30621637.530.51.2919000QJ 206 N2MA30621637.530.51.2919000QJ 306 N2PHAS3072195341.51.7617000QJ 306 N2MA3072195341.51.7617000QJ 306 MA3072195341.51.7617000QJ 207 N2MA3572174941.51.7617000QJ 307 N2PHAS35802164512.1615000QJ 307 N2MA35802164512.1615000QJ 307 MA35802164512.1615000QJ 308 MA40902378642.714000QJ 208 PHAS40801856492.0815000QJ 208 MA40801856492.0815000QJ 308 N2MA40902378642.714000QJ 308 N2PHAS40902378642.714000QJ 208 N2MA40801856492.0815000QJ 309 PHAS4510025100833.5512000QJ 209 MA45851963562.3614000QJ 309 N2PHAS4510025100833.5512000QJ 309 MA4510025100833.5512000QJ 309 N2MA4510025100833.5512000QJ 210 MA50902065.5612.613000QJ 310 MA50110271181004.2511000QJ 310 PHAS50110271181004.2511000QJ 211 MA551002185833.5511000QJ 211 N2MA551002185833.5511000QJ 311 N2MA5512029137118510000QJ 311 MA5512029137118510000QJ 312 PHAS60130311561375.859000QJ 312 N2MA60130311561375.859000QJ 212 MA601102296.593410000QJ 212 N2PHAS601102296.593410000QJ 312 MA60130311561375.859000QJ 212 N2MA601102296.593410000QJ 213 N2MA65120231101124.759500QJ 213 N2PHAS65120231101124.759500QJ 313 MA65140331761566.558500QJ 313 N2PHAS65140331761566.558500QJ 213 MA65120231101124.759500QJ 214 MA70125241201225.29000QJ 314 MA70150352001807.358000QJ 314 N2MA70150352001807.358000QJ 214 N2MA70125241201225.29000QJ 314 N2PHAS70150352001807.358000QJ 214 N2PHAS70125241201225.29000QJ 315 N2MA75160372162007.87500QJ 315 N2PHAS75160372162007.87500QJ 215 N2PHAS75130251251325.68500QJ 215 MA75130251251325.68500QJ 215 N2MA75130251251325.68500QJ 216 N2MA80140261461566.48000QJ 216 MA80140261461566.48000QJ 316 N2PHAS80170392322288.657000QJ 316 N2MA80170392322288.657000QJ 1017 N2MA/C4851302299.51144.658000QJ 317 N2MA85180412502558.656700QJ 217 N2MA85150281561736.77500QJ 217 MA85150281561736.77500QJ 318 N2PHAS9019043285305116300QJ 318 N2MA9019043285305116300QJ 218 N2MA90160301862007.657000QJ 319 N2PHAS952004530534011.86000QJ 219 N2MA95170322122328.56700QJ 319 N2MA952004530534011.86000QJ 219 N2PHAS95170322122328.56700QJ 220 N2MA100180342362659.56300QJ 320 N2MA1002154734540013.75600QJ 1021 N2MA/C4105160261351706.36700QJ 222 N2MA1102003828032511.25600QJ 322 N2MA1102405039048015.34800QJ 1022 N2MA/C4110170281531936.86300QJ 324 N2MA1202605541553016.34500QJ 224 N2MA12021540300365125000QJ 326 N2MA13028058455610184000QJ 226 N2MA1302304031040012.74800QJ 228 N2MA1402504234547514.34300QJ 328 N2MA14030062500695203800QJ 330 N2MA1503206553076521.23600QJ 230 N2MA1502704540057016.64000QJ 1030 N2MA1502253524233510.44500QJ 232 N2MA16029048450670193800QJ 332 N2MA1603406857088023.63400QJ 1032 N2MA1602403827038011.44300QJ 334 N2MA170360726551040273200QJ 234 N2MA17031052455720203400QJ 236 N2MA1803205247576520.83400QJ 336 N2MA180380756801100283000QJ 238 N2MA1903405551085022.43200QJ 1038 N2MA1902904636456015.33400QJ 338 N2MA19040078702116028.52800QJ 1040 N2MA2003105139062016.63200QJ 240 N2MA2003605854091523.23000QJ 1240 N2MA2003607052086521.63000QJ 344 N2MA220460887801400322400QJ 344 N2/309829220460889041660382400QJ 1244 N2MA22040078592102024.52600QJ 248 N2MA24044072650120027.52400QJ 1248 MA/344524240440856631220282400QJ 1252 N2MA260480907411460322200QJ 252 N2MA260480807281430322200QJ 1252 MA260480907411460322200QJ 1056 N2MA/C428042065585114025.52400QJ 1256 N2MA28050090728146031.52000QJ 1260 N2MA30054098832176036.51900QJ 1060 N2MA300460746501340292200QJ 1060 MA300460747021430312200QJ 1064 N2MA320480747151530322000QJ 1264 N2MA320580105956208041.51700QJ 1064 MA320480747151530322000QJ 1068 N2MA34052082780170035.51800QJ 1268 MA/3445243406201181060245047.51600QJ 1072 N2MA360540828521930381700QJ 1272 N2MA36065012211102600491500QJ 1276 N2MA38068013211702850521400QJ 1076 N2MA380560828842040401600QJ 1280 N2MA4007201401300325058.51300QJ 1080 N2MA40060090904216040.51500QJ 1084 N2MA42062090923228042.51500QJ 1984 MA42056065637160030.51600QJ 1284 N2MA42076015014303750641300QJ 1988 N2MA44060074761190035.51500QJ 1088 N2MA44065094995250045.51400QJ 1288 N2MA44079015514003750641200QJ 1292 N2MA4608301651530425069.51100QJ 1092 N2MA4606801001040265046.51300QJ 1296 N2MA4808701701680475076.51100QJ 1096 N2MA48070010010602800481300FAQQ1: Are you a manufacturer or a trading company?A: We have been a professional manufacturer of bearings since 1995 with ISO9001:2015 certificate.Q2: How is the quality level of your bearings?A: Our bearings are made of supreme GCr15 bearing steel and are produced with the first class workmanship. The tolerance grade could be P0, P6, P5, P4. The vibration level could be Z1V1, Z2V2, Z3V3.Q3: Can I get samples to see the quality?A: Yes, samples are free, but the courier charge shall be borne by the buyer.Q4: Could you offer OEM service and print my logo/mark on the products?A: Yes, we could. Please send us your mark registration files, we shall print your logo/mark on the bearings and package.Q5: How is the lead time?A: For regular items that are in stock, we could make shipment immediately right after your payment. If the goods are not in stock, our production time is from 15 to 45 days according to the quantity.Q6: What if I receive defective product for my order?A: All our bearings are 100% inspected strictly before packing. If you receive any defective product, please provide us photos or videos to show the problem. After confirmation, we shall send you the new product as replacement free of charge.Q7: What is your term of payment?A: Term of payment is negotiable. Usually it is 30% deposit in advance, and the balance 70% is paid when the goods are ready for shipment.
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