| Customization: | Available |
|---|---|
| Structure Type: | Needle Roller Bearing |
| Precision Rating: | P0 P6 P5 P4 P2 |
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NAV/RNAV49...Full Complement Needle Roller Bearings 
Introduction
Needle Roller Bearings with Machined Rings are made of carbon chromium bearing steel.
e supplies these bearings with or without flanges on the outer ring,
In a wide range of series and sizes. We also supplies them with or without an inner ring.
Machined Type Needle Roller Bearings
| Product Name | Needle Roller Bearing |
| Precision Rating | P6, P0, P5, P4, P2 |
| Material | Bearing Steel (GCr15) |
| Clearance | C0 C1 C2 C3 C4 C5 |
| Vibration & Noisy | Z1,Z2,Z3 V1,V2,V3 |
| Features | Low cross section, High load carrying capacity, Separable design, High stiffness and Accommodate axial displacement |
| Application | Farm and Construction Equipment, Gas Engines, Gear Pumps, And Small Appliances |
| Certification | ISO 9001:2008 |
| Packing | 1.Neutral Packing Bearing 2.Industrial Packing 3.Commercial Packing Bearing 4.Customize |
| Delivery Time | 30 - 45 Days After The Order is Confirmed |
| Shippment | 1.By Sea 2.By Air 3.By Express |
| Website | http://hlimachinery.en.made-in-china.com |
| Bearing No. | Boundary Dimensions (mm) | Mass | |||||
| With Inner | Without Inner | d | Fw | D | C | r min | kg |
| NAV 4902 | RNAV 4902 | 15 | 20 | 28 | 13 | 0.3 | 0.041 |
| NAV 4903 | RNAV 4903 | 17 | 22 | 30 | 13 | 0.3 | 0.045 |
| NAV 4904 | RNAV 4904 | 20 | 25 | 37 | 17 | 0.3 | 0.094 |
| NAV 4905 | RNAV 4905 | 25 | 30 | 42 | 17 | 0.3 | 0.111 |
| NAV 4906 | RNAV 4906 | 30 | 35 | 47 | 17 | 0.3 | 0.127 |
| NAV 4907 | RNAV 4907 | 35 | 42 | 55 | 20 | 0.6 | 0.207 |
| NAV 4908 | RNAV 4908 | 40 | 48 | 62 | 22 | 0.6 | 0.285 |
| NAV 4909 | RNAV 4909 | 45 | 52 | 68 | 22 | 0.6 | 0.329 |
| NAV 4910 | RNAV 4910 | 50 | 58 | 72 | 22 | 0.6 | 0.341 |
| NAV 4911 | RNAV 4911 | 55 | 63 | 80 | 25 | 1 | 0.486 |
| NAV 4912 | RNAV 4912 | 60 | 68 | 85 | 25 | 1 | 0.522 |
| NAV 4913 | RNAV 4913 | 65 | 72 | 90 | 25 | 1 | 0.558 |
| NAV 4914 | RNAV 4914 | 70 | 80 | 100 | 30 | 1 | 0.884 |
| NAV 4915 | RNAV 4915 | 75 | 85 | 105 | 30 | 1 | 0.936 |
| NAV 4916 | RNAV 4916 | 80 | 90 | 110 | 30 | 1 | 0.843 |
| NAV 4917 | RNAV 4917 | 85 | 100 | 120 | 35 | 1.1 | 1.46 |
| NAV 4918 | RNAV 4918 | 90 | 105 | 125 | 35 | 1.1 | 1.531 |
| NAV 4919 | RNAV 4919 | 95 | 110 | 130 | 35 | 1.1 | 1.603 |
| NAV 4920 | RNAV 4920 | 100 | 115 | 140 | 40 | 1.1 | 2.225 |
| NAV 4922 | RNAV 4922 | 110 | 125 | 150 | 40 | 1.1 | 2.412 |
| NAV 4924 | RNAV 4924 | 120 | 135 | 165 | 45 | 1.1 | 3.337 |
| NAV 4926 | RNAV 4926 | 130 | 150 | 180 | 50 | 1.5 | 4.5 |
| NAV 4928 | RNAV 4928 | 140 | 160 | 190 | 50 | 1.5 | 4.791 |
About Us
HENGLI Machinery Company is a well-established Chinese bearing supplier. We design, manufacture and wholesale bearings.
Our specialized manufacturer of Spherical Roller Bearing & Cylindrical Roller Bearing, LUAN Rolling Bearing Co., Ltd
was established in 1970 and is accredited by the Chinese Ministry of Machine Building.
We invested in two additional specialized bearing factories, which allow us to provide our clients with top of the line products
such as Needle Roller Bearings, Spherical Plain Bearings, Rod Ends Bearings, Ball Joint Bearings,
Tapered Roller Bearings, Wheel Hub Bearings and Non-Standard Bearings.
Certification
A - Manufacturer - Do it only with the Best;
-Your Choice make different.
Q2 - Our Products
A - Spherical Roller Bearing, Cylindrical Roller Bearing, Needle Roller Bearing, Cam Followers, Thrust Bearing
- Spherical Plain Bearing, Rod End, Ball Joint, Wheel Hub, Tapered Roller Bearing
Q3 - Process of our production
A - Heat Treatment - Grinding - Parts Inspection - Assembly - Final Inspection - Packing
Q4 - How to customize bearing(non-standard) from your company?
A -We offer OEM,Customized(Non-standard) service and you need to provide drawing and detailed Technical Data.
Q5 - What should I care before installation?
A - Normally, the preservative with which new bearings are coated before leaving the factory does not need to be
removed; it is only necessary to wipe off the outside cylindrical surface and bore, if the grease is not compatible
with the preservative, it is necessary to wash and carefully dry the bearing.
-Bearings should be installed in a dry, dust-free room away from metal working or other machines producing
swarf and dust.
Q6 - How to stock and maintenance my bearings right?
A - Do not store bearings directly on concrete floors, where water can condense and collect on the bearing;
-Store the bearings on a pallet or shelf, in an area where the bearings will not be subjected to high humidity
or sudden and severe temperature changes that may result in condensation forming;
-Always put oiled paper or, if not available, plastic sheets between rollers and cup races of tapered roller bearings.
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