Full Complement Metric Needle Bearings Inner Ring NAV4903 NAV4003 17x30x13 Mm
Brand Name:IKO/ NSK
Certification:ISO 9001 2000
Model Number:NAV4903
Minimum Order Quantity:1PCS
Delivery Time:5 working days
Payment Terms:T/T, Western Union
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Full complement needle roller bearings with inner ring NAV4903 NAV4003 17x30x13 mm for Iron and steel equipment
Details of High Precision Drawn Cup Needle Roller Bearing NAV4903
| Name | High Precision Drawn Cup Needle Roller Bearing NAV4903 |
| Bearing Type | Roller Bearing |
| Model Number | NAV4903 |
| Material | Chrome steel or bearing steel(Gcr15) Stainless steel / Carbon steel/Ceramic |
| Dimension | 17*30*13mm |
| Cage(Retainer) | Steel, Brass, Nylon |
| Types | Open,RS,ZZ,LLU,SS,RZ |
| Quality Level | Reach the same level as Japanese and European Bearing |
| Delivery time | 1.For samples: 1-3days 2.For order: Generally 15-20 days after |
| Payment erms | A:100% TT B: 30% T/T in advance .70% before shipment or against copy of B/L C. Western union and PayPal |
| Application | Papermaking machinery, speed reducer, railway vehicle axle, gear box bearing, rolling mill rolling mill rolls, crusher, vibrating screen, printing machinery, woodworking machinery, all kinds of industry |
| Package | 1. Industrial packaging: Plastic tube (10pcs in one tube)+ carton + plywood pallets; plastic bag + kraft paper + carton + plywood pallets; 2.Commercial packing: 1pc/plastic bag+ single color box+ carton + plywood pallets; 3.According to customer’s requirements |
| Feature | High precision, low noise, high speed, long life, high reliability, heavy load and high temperature resistance. |
| Service | OEM and ODM(any brands you want) |
needle bearing with cylindrical roller bearings, relative to its diameter, roller is fine and long. This is called needle roller. Although it has a small section, the load bearing capacity of bearing still had high, with thin and long needle bearing roller (roller diameter of D = 5mm, L/D = 2.5, L as the roller length), so the radial structure is compact, the outer diameter of the smallest diameter size and load capacity and other types of bearings, especially for supporting the same, structure to the radial installation size restricted.
Part of the bearing specification :
| BEARING NO. | Weight | SIZE | |||
| mm | |||||
| g | d | D | C | rmin | |
| NAV4002 | 45 | 15 | 32 | 17 | 0.3 |
| NAV4003 | 62 | 17 | 35 | 18 | 0.3 |
| NAV4004 | 114 | 20 | 42 | 22 | 0.6 |
| NAV4005 | 129 | 25 | 47 | 22 | 0.6 |
| NAV4006 | 193 | 30 | 55 | 25 | 1 |
| NAV4007 | 259 | 35 | 62 | 27 | 1 |
| NAV4008 | 304 | 40 | 68 | 28 | 1 |
| NAV4009 | 390 | 45 | 75 | 30 | 1 |
| NAV4010 | 426 | 50 | 80 | 30 | 1 |
| NAV4011 | 645 | 55 | 90 | 35 | 1.1 |
| NAV4012 | 677 | 60 | 95 | 35 | 1.1 |
| NAV4013 | 692 | 65 | 100 | 35 | 1.1 |
| NAV4014 | 950 | 70 | 110 | 40 | 1.1 |
| NAV4015 | 1000 | 75 | 115 | 40 | 1.1 |
| NAV4016 | 1400 | 80 | 125 | 45 | 1.1 |
| NAV4017 | 1540 | 85 | 130 | 45 | 1.1 |
| NAV4902 | 28 | 15 | 28 | 13 | 0.3 |
| NAV4903 | 30 | 17 | 30 | 13 | 0.3 |
| NAV4904 | 71 | 20 | 37 | 17 | 0.3 |
| NAV4905 | 83 | 25 | 42 | 17 | 0.3 |
| NAV4906 | 94 | 30 | 47 | 17 | 0.3 |
| NAV4907 | 142 | 35 | 55 | 20 | 0.6 |
| NAV4908 | 192 | 40 | 62 | 22 | 0.6 |
| NAV4909 | 239 | 45 | 68 | 22 | 0.6 |
| NAV4910 | 227 | 50 | 72 | 22 | 0.6 |
| NAV4911 | 344 | 55 | 80 | 25 | 1 |
| NAV4912 | 368 | 60 | 85 | 25 | 1 |
| NAV4913 | 413 | 65 | 90 | 25 | 1 |
| NAV4914 | 612 | 70 | 100 | 30 | 1 |
| NAV4915 | 646 | 75 | 105 | 30 | 1 |
| NAV4916 | 680 | 80 | 110 | 30 | 1 |
| NAV4917 | 873 | 85 | 120 | 35 | 1.1 |
| NAV4918 | 912 | 90 | 125 | 35 | 1.1 |
| NAV4919 | 952 | 95 | 130 | 35 | 1.1 |
| NAV4920 | 1445 | 100 | 140 | 40 | 1.1 |
| NAV4922 | 1559 | 110 | 150 | 40 | 1.1 |
| NAV4924 | 2296 | 120 | 165 | 45 | 1.1 |
| NAV4926 | 2806 | 130 | 180 | 50 | 1.5 |
| NAV4928 | 2976 | 140 | 190 | 50 | 1.5 |
Full Complement Metric Needle Bearings Inner Ring NAV4903 NAV4003 17x30x13 Mm
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