IPDB › China Industry › Industrial Equipment & Components › Bearing
Double Row Ball Slewing Bearing----External Gear1
Slewing Bearing, Single Row Ball Slewing Bearing, Double Row Ball Slewing Bearing
Nanjing Suntay Steel Co., Ltd.
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Product Description Production descrption:Double Row Ball Slewing Bearing----External GearDouble Row Ball Slewing Bearing----External GearCharacteristic of structure, performance and applicationDouble row ball slewing bearing has three seat ring, the steel ball and the spacing block can be directly arrange into the upper and lower races, two rows of upper and lower steel balls with different diameter are fitted according to the stress condition.This kind of open assembly is very convenient, for the upper and lower bear raceway arc angles is 90°,which can bear large axial forces and tilting moment. When the radial force is greater than 0.1 times the axial force need to be specially designed the raceway.Double row different ball slewing bearing's axial and radial size are relatively large and solid in structure, so it is specially suitable for the medium diameter tower cranes, truck mounted cranes etc. loading and unloading machinery.No.External GearDLmmDimensionsMounting DimensionStructural DimensionGear DataGear circumferential forceWeightkgDmmdmmHmmD1mmD2mmnmmn1mmH1mmhmmbmmxmmmDemmzNormalizingZ 104NQuenchingT 104N1021.25.500616384106580420201849626600.556441263.75.2100022.25.5006646.81054.56.22021.25.560676444106640480201849626600.557041383.75.2115022.25.5606706.81154.56.23021.25.630746514106710550241849626600.56790.81294.56.2130022.25.6308790.49668.34021.25.710826594106790630241849626600.56862.81414.56.2140022.25.7108862.410568.35021.30.8009426581248987023022611429800.58982.4120811.1200022.30.800109889610146021.30.90010427581249988023022611429800.581086.4133811.1250022.30.90010108810610147021.30.1000114285812410989023622611429800.51011981171014300022.30.1000121197.6971216.78021.30.11201262978124121810223622611429800.51013181291014340022.30.1120121317.61071216.79021.40.125014261074160137411264026515039900.5121497.612213.518.8580022.40.1250141495.210415.821.910021.40.140015761224160152412724026515039900.5121641.613413.518.8650022.40.1400141649.211515.821.911021.40.160017761424160172414764526515039900.5141845.212915.821.9750022.40.1600161852.811318.12512021.40.180019761624160192416764526515039900.5142055.214415.821.9820022.40.1800162060.812618.12513021.50.2000221517851902149185148338178471200.5162300.814124.133.31150022.50.2000182300.412527.137.514021.50.2240245520251902389209148338178471200.5162540.815624.133.31500022.50.2240182552.413927.137.515021.50.2500271522851902649235156338178471200.5182804.415327.137.51700022.50.250020281613830.141.816021.50.2800301525851902949265156338178471200.5183110.417027.137.51900022.50.280020311615330.141.817021.60.3150342828722263338296256458214561500.520353617437.752.23300022.60.3150223537.615841.557.418021.60.3550382832722263738336256458214561500.520393619437.752.23700022.60.3550223933.617641.557.419021.60.40004278372222641883812604510214561500.5224395.619741.557.44200022.60.400025439517347.165.220021.60.45004778422222646884312604510214561500.5224879.621941.557.44700022.60.450025489519347.165.2Note:1. n1 is the number of lubricating holes. Oil cup M10×1JB/T7940.1~JB/T7940.2. The Oil nipple's location can be changed according to the user's application.2. n-φ can changed to tapped hole, the diameter of tapped hole is M,depth is 2M.3. The tangential tooth force in the form is the maximum tooth force, the nominal tangential tooth force is 1/2 of the max one.4. "K" is addendum reduction coefficient.FAQ1. What is the production process?A: Production process including raw material cutting, rough turning, machining processing(layout for drilling, tooth processing), finish turning, grinding, accessories cleaning, assembling, stoving, oil coating, testing, package.2. How to control the quality of the products?A: High precision equipment, advanced in-house engineer team, strictly inspection as well as TPI like SGS, DNV, BV, ABS, etc.3: How long is your delivery time?A: Generally speaking, it is 3-5 days if the goods are in stock. 15-25 days if the goods are not in stock.4: Do you provide samples ? is it free or not?A: Yes, we could offer a sample free of charge but we need a basement cost.5: What are your terms of payment?A: 30% prepaid and balance before shipment.For big order, we accept L/C at sight.6. What is your MOQ?A: For standard type and OEM, MOQ is 1 pc.7. What is the transportation?A: DHL, UPS, TNT, FedEx. by sea or by air8. Can you design special packaging?A: Yes. Except for regular packing, we can make special packing and label for the customer.9. What's your payment method.A: We can accept PayPal/ West Union/ Bank transfer Etc.10. Can you provide an OEM service?A: Yes, we provide OEM service, packing and other requirements
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