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 |
|---|---|---|---|---|---|---|---|---|
| NJ324 | 120 | 260 | 55 | 530000 | 610000 | 2200 | 2800 | 15 |
| NJ2324 | 120 | 260 | 86 | 795000 | 1030000 | 2000 | 2600 | 25 |
| NJ424 | 120 | 310 | 72 | 675000 | 770000 | 2000 | 2400 | 30.2 |
| NJ1026 | 130 | 200 | 33 | 172000 | 238000 | 3200 | 3800 | 3.66 |
| NJ226 | 130 | 230 | 40 | 365000 | 455000 | 2600 | 3200 | 8.03 |
| NJ2226 | 130 | 230 | 64 | 530000 | 735000 | 2400 | 3000 | 9.44 |
| NJ326 | 130 | 280 | 58 | 615000 | 735000 | 2200 | 2600 | 18.7 |
| NJ2326 | 130 | 280 | 93 | 920000 | 1230000 | 1900 | 2400 | 30 |
| NJ426 | 130 | 340 | 78 | 825000 | 955000 | 1800 | 2200 | 39.6 |
| NJ1028 | 140 | 210 | 33 | 176000 | 250000 | 3000 | 3600 | 3.87 |
| NJ228 | 140 | 250 | 42 | 395000 | 515000 | 2400 | 3000 | 9.38 |
| NJ2228 | 140 | 250 | 68 | 550000 | 790000 | 2200 | 2800 | 15.2 |
| NJ328 | 140 | 300 | 62 | 665000 | 795000 | 2000 | 2400 | 22.8 |
| NJ2328 | 140 | 300 | 102 | 1020000 | 1380000 | 1700 | 2200 | 37.7 |
| NJ428 | 140 | 360 | 82 | 875000 | 1020000 | 1700 | 2000 | 46.4 |
| NJ1030 | 150 | 225 | 35 | 202000 | 294000 | 2800 | 3400 | 4.77 |
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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