Shaanxi Fortune Industries Co.ltd
| Payment Terms | L/C, T/T, Western Union, MoneyGram |
| Supply Ability | 50000PCS/MONTH |
| Delivery Time | 20-45DAYS |
| Packaging Details | carton,pallet |
| Lubrication | Grease Lubrication |
| Bore Size | 1 - 16 mm |
| type | Needle |
| Number of Row | single row or double row |
| Cage | Steel |
| Seals Type | Open or sealed |
| Brand Name | SFT |
| Model Number | K30*40*30 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T, Western Union, MoneyGram | Supply Ability | 50000PCS/MONTH |
| Delivery Time | 20-45DAYS | Packaging Details | carton,pallet |
| Lubrication | Grease Lubrication | Bore Size | 1 - 16 mm |
| type | Needle | Number of Row | single row or double row |
| Cage | Steel | Seals Type | Open or sealed |
| Brand Name | SFT | Model Number | K30*40*30 |
| Place of Origin | China | ||
| High Light | K304030 Radial Needle Roller Bearing ，30*40*30Mm Radial Needle Roller Bearing ，K304030 needle roller cage assemblies | ||
K304030 Bearing size 30*40*30 mm Radial Needle Roller and Cage Assemblies K30*40*30 Bearings
A needle roller bearing is a bearing which uses small cylindrical rollers.
They are used to reduce friction of a rotating surface.
Needle bearings have a large surface area that is in contact with the bearing outer surfaces compared to ball bearings. Additionally there is less added clearance (difference between the diameter of the shaft and the diameter of the bearing) so they are much more compact.
The typical structure consists of a needle cage which orients and contains the needle rollers, the needle rollers themselves, and an outer race (sometimes the housing itself).
Radial needle bearings are cylindrical and use rollers parallel to the axis of the shaft. Thrust needle bearings are flat and use a radial pattern of needles.
Full complement bearings have solid inner and outer rings and rib-guided cylindrical rollers. Since these bearings have the largest possible number of rolling elements, they have extremely high radial load carrying capacity and are suitable for particularly compact designs.
Needle bearings are heavily used in automobile components such as rocker arm pivots, pumps, compressors, and transmissions. The drive shaft of a rear-wheel drive vehicle typically has at least eight needle bearings (four in each U joint) and often more if it is particularly long, or operates on steep slopes.
Additional clarification of needle roller: According to "Marks' Standard Handbook for Mechanical Engineers", a needle bearing is a roller bearing with rollers whose length are at least four times their diameter.
Needle roller bearing K series:
| Model No(d*D*Bmm) | Model No(d*D*Bmm) |
| K30×35×17 | K20×24×10 |
| K30×37×17 | K20×24×13 |
| K30×40×30 | K28*40*25 |
| K32×38×20 | K20×26×12 |
| K35×40×17 | K20×26×20 |
| K40×45×13 | K20×28×20 |
| K40×45×27 | K22×26×17 |
| K40×47×20 | K24×28×10 |
| K45×53×20 | K24×28×13 |
| K50×55×20 | K24×30×17 |
| K50×58×20 | K25×29×17 |
| K50×58×25 | K25×30×17 |
| K60×65×30 | K25×32×16 |
| K60×68×20 | K25×33×24 |
| K65×70×20 | K25×35×30 |
| K65×70×30 | K28×33×13 |
| K70×78×20 | K28×33×17 |
| K70×78×30 | K28×33×27 |
| K75×81×20 | K08×11×10 |
Company Details
Business Type:
Exporter,Trading Company,Seller
Year Established:
2005
Total Annual:
3000000-5000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Shaanxi Fortune Industries Co.,ltd located in Xi’an of the oldest city in China. We have experience for over 15 years, As a professional exporter in Ball & Roller Bearings and Auto Parts on standard and nonstandard, our success is based on: High Quality Bearing at the Good Price ... Shaanxi Fortune Industries Co.,ltd located in Xi’an of the oldest city in China. We have experience for over 15 years, As a professional exporter in Ball & Roller Bearings and Auto Parts on standard and nonstandard, our success is based on: High Quality Bearing at the Good Price ...
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