Brand Name | NSK SAIFAN Roller Bearing 31311 or according to your requirement | Item Name | Genuine Japan NSK SAIFAN Roller Bearing 31311 Taper Roller Bearing 31311 | Bearing Sizes | 55*120*32mm | Bearing Weight | 1.5kg | Material | Chrome Steel/Gcr15/Carbon Steel | Application | Auto, tractor, machine tool, electric machine, water pump, agricultural machinery, textile machinery and so on | Clearance | C0,C2,C3,C4,C5 | Bore Size | 55mm Outer Diameter : 120mm | Cage Type | Brass;steel plate,nylon,aluminium alloy etc. | Bearing Package | Pallet,wooden case,commercial packaging or as customers' requirement. | Delivery Time | 3-5 days acccording the quantity | Advantage | High precision, high speed, long life, high reliability, heavy load and high temperature resistance | Service | 1)We are very glad that customer give us some suggestion for price and products. 2)If any questions, please let us know by E-mail or Telephone at firs. We can deal with them for you in time. 3)We will send many newest information in every week to our old customers! | 1)Complete process for the production and quality assurance ensures our products can meet your requirement. 2)We are committed to be responsible for each set of bearing and industrial products sold to our clients. 3)Relying on strong resource network, we can supply any bearing with competitive 4)price to meet each customer' demand and guarantee each customer’s benefit. |
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1.More Information About Taper Roller Bearings: Taper roller bearings mainly burden the joint load from radial and shaft side.This kind of bearings has strong load capability. It belongs to separated bearing; its inner components and outer components can be equipped individually.The inner and outer ring raceways and rollers of these bearings are made with a taper ,so that the surface planes of the raceways and roller axis meet at a point.The rollers are guided by a flange on the inner ring.Tapered roller bearings are separable, and have the following components: outer ring, inner ring and roller assembly.The non-separable inner ring and roller assembly is called the ‘cone',and the outer ring is called the 'cup'.Internal clearances established during mounting by the axial position of the cone relative to the cup. 2.Bearing Series: 1)Auto Bearing 2)Deep Groove Ball Bearing 3)Taper Roller Bearing 4)Shperical Roller Bearing 5)Cylindrical Roller Bearing 6)Angular Contact Ball Bearing 7)Pillow Block Bearing 3.Taper Roller Bearings Feature: 1)Raw Material:specified high quality GCR15 2)Advanced digital turning, grinding machines and experienced workers guarantee the precision and quality. 3)Automatic demagnetization,cleaning& anti-rust machine to ensure the cleanliness of the product 4)Quality Control:QC inspect 4times/day at random , 100%full inspection before assembling &shiped. 5)Professional management system and team, tidy workshop environment to lead a good mood to every worker. 4.Related Taper Roller Bearing Catalogue : Bearing | GPZ | Boundary dimensions | Mass | mm | Kg | d | D | T | B | C | ≈ | 31305 Bearing | 27305E | 25 | 62 | 18.25 | 17 | 13 | 0.264 | 31306 Bearing | 27306E | 30 | 72 | 20.75 | 19 | 14 | 0.393 | 31307 Bearing | 27307E | 35 | 80 | 22.75 | 21 | 15 | 0.518 | 31308 Bearing | 27308E | 40 | 90 | 25.25 | 23 | 17 | 0.727 | 31309 Bearing | 27309E | 45 | 100 | 27.25 | 25 | 18 | 0.947 | 31310 Bearing | 27310E | 50 | 110 | 29.25 | 27 | 19 | 1.22 | 31311 Bearing | 27311E | 55 | 120 | 31.5 | 29 | 21 | 1.56 | 31312 Bearing | 27312E | 60 | 130 | 33.5 | 31 | 22 | 1.91 | 31313 Bearing | 27313E | 65 | 140 | 36 | 33 | 23 | 2.39 | 31314 Bearing | 27314E | 70 | 150 | 38 | 35 | 25 | 2.95 | 31315 Bearing | 27315E | 75 | 160 | 40 | 37 | 26 | 3.39 | 31316 Bearing | 27316E | 80 | 170 | 42.5 | 39 | 27 | 4.05 | 31317 Bearing | 27317E | 85 | 180 | 44.5 | 41 | 28 | 4.6 | 31318 Bearing | 27318E | 90 | 190 | 46.5 | 43 | 30 | 5.9 | 31319 Bearing | 27319E | 95 | 200 | 49.5 | 45 | 32 | 6.95 | 31320 Bearing | 27320E | 100 | 215 | 56.5 | 51 | 35 | 8.6 | 31321 Bearing | 27321E | 105 | 225 | 58 | 53 | 36 | 9.65 | 31322 Bearing | 27322E | 110 | 240 | 63 | 57 | 38 | 12 | 31324 Bearing | 27324E | 120 | 260 | 68 | 62 | 42 | 15.5 | 31326 Bearing | 27326E | 130 | 280 | 72 | 66 | 44 | 18.5 | 31328 Bearing | 27328E | 140 | 300 | 77 | 70 | 47 | 24.5 | 31330 Bearing | 27330E | 150 | 320 | 82 | 75 | 50 | 29.5 | SaiFan Advantage | SOLUTION – At the beginning, we will have a communication with our customers on their demand, then our engineers will work out an optimum solution based on the customers’ demand and condition. PRODUCTION – Running in accordance with ISO 9001 quality system, the advanced production equipments, sophisticated processing technology, strict quality management system, skilled workers and innovative technical team, make our bearings in continuous quality improvement & technology development. QUALITY CONTROL (Q/C) - In accordance with ISO standards, we have professional Q/C staff, precision testing instruments and internal inspection system, the quality control is implemented in every process from material receiving to products packaging to ensure our bearings quality. PACKAGE – Standardized export packing and environment-protected packing material are used for our bearings, the custom boxes, labels, barcodes etc. can also be provided according to our customer’s request. LOGISTIC – Normally, our bearings will be sent to the customers by ocean transportation due to its heavy weight, airfreight, express is also available if our customers need. WARRANTY – We warrant our bearings to be free from defects in material and workmanship for a 12 months period from the shipping date, this warranty is voided by non-recommended use, improper installation or physical damage. | | About US |
| High Quality Bearings, Choose Saifan. Jinan Saifan Bearing Co., Ltd is a professional bearing manufacture located in Jinan, Shandong. We are established in year 2005 and we have 10 years experience in bearing manufacture. We mainly produce wheel hub bearings, ball bearings, roller bearings etc.
| Our Workshop | | Production | | Saifan Exhibition | | Express & Payment | | FAQ | Q:What’s your after-sales service and warranty? A: We promise to bear the following responsibility when defective product is found: 1.12 months warranty from the first day of receiving goods; 2. Replacements would be sent with goods of your next order; 3. Refund for defective products if customers require. Q:Do you accept ODM&OEM orders? A: Yes, we provide ODM&OEM services to worldwide customers, we are able to customize housings in different styles, and sizes in different brands, we also customize circuit board & packaging box as per your requirements. Q:What’s the MOQ? A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders. Q:How long is the lead time? A: The lead time for sample orders is 3-5 days, for bulk orders is 5-15 days. Q:Do you offer free samples? A: Yes we offer free samples to distributors and wholesalers, however customers should bear freight. We DO NOT offer free samples to end users. Q:How to place orders? A: 1. Email us the model, brand and quantity, consignee information, shipping way and payment terms; 2. Proforma Invoice made and sent to you; 3. Complete Payment after confirming the PI; 4. Confirm Payment and arrange production. | CONTACT US | Jinan SaiFan Bearing Co., LtdAdd: Business Center,No.88 Dikou Rd, Tian Qiao Dist, Jinan, China. Tel:86-0531-82637507 Skype: saifan005 http://saifangroup.en.china.cn
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