Cylindrical Roller Bearings are bearing in which cylinders are used as the rolling elements as opposed to balls in ball bearings. As such, the rollers have a greater (linear) contact area with the outer ring and are distribute loads across a broader surface. Subsequently, they have a relatively high radial load capacity and are suitable for high speeds. Double-row cylindrical roller bearings have high radial rigidity and are used primarily for precision machine tools.
HZK cylindrical roller bearings are available in a variety of cage types suitable for different scenarios, including EM brass cages, ETVP black nylon cages, FAG process products, ECML integral cages, and E steel cages.
There are different types designated NU, NJ, NUP, N, NF for single-row bearings, and NNU, NN for double-row bearings depending on the design or absence of side ribs. HZK’s cylindrical roller bearings come in the following series with various cage designs and Metric dimensions.
Model number | Basic dimensions(mm) d | Basic dimensions(mm) D | Basic dimensions(mm) B | Rated load (N) Cr | Rated load (N) Cor | Limiting speed (1) (rpm) Grease lubrication | Limiting speed (1) (rpm) oil lubrication | Weight ≈kg |
|---|---|---|---|---|---|---|---|---|
| NJ344 | 220 | 460 | 88 | 1190000 | 1570000 | 1200 | 1500 | 74.6 |
| NJ1048 | 240 | 360 | 56 | 530000 | 820000 | 1600 | 2000 | 19.5 |
| NJ248 | 240 | 440 | 72 | 935000 | 1340000 | 1300 | 1600 | 50.4 |
| NJ348 | 240 | 500 | 95 | 1360000 | 1820000 | 1100 | 1300 | 94.6 |
| NJ1052 | 260 | 400 | 65 | 645000 | 1000000 | 1500 | 1800 | 29.1 |
| NJ252 | 260 | 480 | 80 | 1100000 | 1580000 | 1200 | 1500 | 67.1 |
| NJ352 | 260 | 540 | 102 | 1540000 | 2090000 | 1000 | 1200 | 118 |
| NJ1056 | 280 | 420 | 65 | 660000 | 1050000 | 1400 | 1700 | 30.8 |
| NJ256 | 280 | 500 | 80 | 1140000 | 168000 | 1100 | 1400 | 70.7 |
| NJ1060 | 300 | 460 | 74 | 885000 | 1400000 | 1300 | 1500 | 43.7 |
| NJ260 | 300 | 540 | 85 | 1400000 | 2070000 | 1100 | 1300 | 89.2 |
| NJ264 | 320 | 480 | 92 | 1540000 | 2270000 | 950 | 1200 | 112 |
| NJ1068 | 340 | 520 | 82 | 1080000 | 1740000 | 1100 | 1300 | 61.8 |
| NJ1096 | 480 | 700 | 100 | 1620000 | 2860000 | 750 | 950 | 127 |
Shandong HZK Bearing Factory, located in Panzhuang Industrial Park, Linqing City, Shandong Province, covers a total building area of over 10,000 square meters. HZK BEARING FACTORY mainly produces and sells spherical roller bearings, cylindrical roller bearings, deep groove ball bearings, tapered roller bearings, thrust self-aligning roller bearings, automotive wheel bearings, and more. The factory is equipped with fully automated workshops, heat treatment equipment, lathes, grinding machines, ultra-precision equipment, and assembly facilities. We utilize industry-leading production equipment and testing instruments, and have multi-story warehouses to fully guarantee bearing quality and delivery speed. HZK BEARING also customizes various non-standard products. We welcome customers to visit our factory for guidance, business negotiations, and mutual development.
faq
Q: What is your delivery time?
A: If the goods are in stock, it generally takes 5-10 days. If the goods are not in stock, it takes 15-20 days depending on the quantity.
Q: How are you packaged?
A: Packaging can be customized according to customer requirements.
Q: Are we a trading company or a manufacturer?
A: We are a manufacturer with our own factory.
Q: I want a specific size or color of goods, can you customize it?
A: We provide rolls and sheets, as well as post-processing services such as logo printing.
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