Model No.: NA4920
Needle roller bearings are roller bearings with cylindrical rollers that are small in diameter. In spite of their low cross section, needle roller bearings have a high load carrying capacity and are therefore extremely suitable for bearing arrangements where radial space is limited.
|Company||Tianjin SEMRI Bearing Technology Co., Ltd|
|Item name||Japan IKO High Quality Needle Roller Bearing Na4920 with SGS|
|Brand||NSK/ TFN/ SEMRI/ OEM|
|Ring Material||Gcr15 ,Carbon steel,Stainless steel, Si3N4, ZrO2|
|Cage Material||Steel/ Brass/ Nylon/ Custom|
|Precision||P0, P6, P5, or as requested|
|Vibration||ZV1, ZV2, ZV3, or as requested|
|Clearance||C0,C2,C3, or as requested|
|5.Greasing and gland|
|Application|| Home appliances; automotive, electric, instruments, building machines, |
railway vehicle, agricultural machines and etc.
|Packing||Industrial packing: plastic bag+ carton plywood pallet|
|plastic bag+ white box+carton+plywood pallet|
|commercial packing: plastic bag+color box+carton +plywood pallet|
|Service||OEM or customer logo acceptable|
|Delivery Time||Within 7days for stock product|
|7-30 days according to quantity and design|
|Payment Term||30% T/T In Advance, 70% T/T before shippment|
100% L/C at sight
II. Packaging & Shipping
SMRI provides a variety of secure and cost-efficient packaging solutions to insure the essential protection and preservation for bearings.
Plastic Tube: For Miniature and Instrument bearings, 10 bearings or more are normally packaged in clear plastic tubes, then into box and finally placed in individual cartons.
Roll Pack: For medium-sized types, 6-10 bearings are normally packaged in anti-rust paper rolls, then placed in individual cartons.
Individual Box: Each bearing is placed in an individual plastic bag or plastic-faced brown paper and then placed in individual boxes. Each box can be labeled with detailed information per customer's request.
Bulk Pack: Each bearing is hermetically sealed in a plastic bag, then placed neatly in an individual carton.
Other types of packaging are also available as per your requirements. Contact us if you have special demands about package and we offer the best solution.
III. Company Profile
Tianjin SEMRI Bearing Co., Ltd. Is one of the most famous export-oriented manufacturers and dealers specialized in bearings in China. SMRI has become one of the leading companies after years' accumulation of technology and talents.
Scope of Business
The bearings SEMRI manufactures cover almost all the universal models in the international market, to supply qualified products for global manufacturing enterprises and dealers.
The main products are Deep Groove Ball Bearing, Self-Aligning Ball Bearing, Cylindrical Roller Bearing, self-aligning Roller Bearing , Needle Bearing, Angular Contact Ball Bearing, inch tapered roller bearings, Thrust Ball Bearing, Thrust Roller Bearing, pillow block Ball Bearing , Joint Bearing , etc.
The products are widely used in numerically-controlled machine tool, vessel, automobile, wind electricity, metallurgy, electric motor, machinery, etc.
The close cooperative partner is the chief bearing supplier for China Aviation and Aerospace. Therefore, SMRI can obtain strong technological power and support.
The brand, SMRI, owned by SMRI Bearing Company itself, gains recognition from more and more manufacturing enterprises and dealers in the globe, with the strength of high cost performance.
Meanwhile, SMRI Company is a qualified dealer for several international brands, owing an ample supply and smooth supply channel. The international brands are NSK, SKF, NTN, TIKEN, EKM, ASAHI, NACHI, MEC, KOYO, EZO, UBC, GMN, FYH, VISTA, etc.
The workshop is equipped with advanced automatic production line and thorough quality detection system. The heat treatment adopts advanced technology of salt bath martensitic hardening. The range of sizes can be from 10mm (inside diameter) to 1000mm (outside diameter). The annual output can be over 5000, 000 sets. Customized heterotype bearings and OEM are also available.
IV. Advantages of Tianjin SEMRI Bearing Technology Co., Ltd
1.Price advantage compare with the trading company, as we have our own factory.
2.Compare with the factory we are easy communicated.
3 our products were produced under strict quality test system.
5.More than many years industry experience
6.Accept OEM, customization, customers' logo
7.The shortest delivery time
8.Welcome mini order
9.Multiplex-method of payment:Western Union, paypal, T/T, L/C at sight
You are welcome to send inquiry to us! Please tell me your needs! All you need, we can do!
Call me, let's talk details!
Contact: Rita Xia
|Type||Model No.||ID(mm)||OD(mm)||Width(mm)||Cr(kN)||Cor(kN)||Grease Running Speed (r/min.)||Oil Running Speed (r/min.)||Weight (kg)|
|Needle roller bearing||NA4920||100||140||40||144||296||4000||-----||1.86|
Product Categories : Needle Roller Bearing
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