ZhongHong bearing Co., LTD.
| Payment Terms | L/C, T/T, Western Union |
| Packaging Details | carton |
| Supply Ability | 1000 pieces/month |
| Delivery Time | 2-5 days |
| Product name | Needle roller bearing |
| Model | NJ307ET2X |
| MOQ | 1 |
| Supply | 30000 Set/Sets per Month |
| Material | CHROME STEEL |
| Packaging | Your requirement |
| Size | 35*80*21mm |
| Brand Name | ZH |
| Model Number | NJ307ET2X |
| Place of Origin | China |
| Certification | IS09001 |
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Packaging Details | carton |
| Supply Ability | 1000 pieces/month | Delivery Time | 2-5 days |
| Product name | Needle roller bearing | Model | NJ307ET2X |
| MOQ | 1 | Supply | 30000 Set/Sets per Month |
| Material | CHROME STEEL | Packaging | Your requirement |
| Size | 35*80*21mm | Brand Name | ZH |
| Model Number | NJ307ET2X | Place of Origin | China |
| Certification | IS09001 | ||
| High Light | kobelco excavator parts ，kobelco spare parts | ||
NJ307 NJ307ET2XU NJ307ET2XUP2RS P4 P0 P1 P5 P6 P3 Quality LEVEL CHROME STEEL Taper Roller Bearing
Product introduction
NJ 307ET2XU Cylindrical Roller Bearing is a type of rolling element bearing that is designed to provide support for radial loads, which are perpendicular to the axis of rotation.
It consists of an inner ring, an outer ring, cylindrical rollers, and a cage that holds the rollers in place.
The inner and outer rings of a cylindrical roller bearing are typically made of steel and are machined to precise dimensions. The cylindrical rollers are also made of steel and are arranged parallel to the axis of rotation. The cage,
usually made of brass or steel, holds the rollers evenly spaced apart and prevents them from coming into contact with each other.
Cylindrical roller bearings are commonly used in various machinery and equipment,
| d | 35 mm | Bore diameter |
|---|---|---|
| D | 80 mm | Outside diameter |
| B | 21 mm | Width |
| d1 | ≈51 mm | Shoulder diameter of inner ring |
| D1 | ≈65.8 mm | Shoulder diameter of outer ring |
| F | 46.2 mm | Raceway diameter of inner ring |
| r1,2 | min.1.5 mm | Chamfer dimension |
| r3,4 | min.1.1 mm | Chamfer dimension |
| s | max.1.2 mm | Permissible axial displacement |
| da | min.43 mm | Diameter of spacer sleeve |
|---|---|---|
| da | max.44 mm | Diameter of spacer sleeve |
| db | min.53 mm | Diameter of shaft abutment |
| Da | max.72.2 mm | Diameter of housing abutment |
| ra | max.1.5 mm | Radius of fillet |
| Basic dynamic load rating | C | 75 kN |
|---|---|---|
| Basic static load rating | C0 | 63 kN |
| Fatigue load limit | Pu | 8.15 kN |
| Reference speed | 9 500 r/min | |
| Limiting speed | 11 000 r/min | |
| Minimum load factor | kr | 0.15 |
| Limiting value | e | 0.2 |
| Calculation factor | Y | 0.6 |
| da | min.43 mm | Diameter of spacer sleeve |
|---|---|---|
| da | max.44 mm | Diameter of spacer sleeve |
| db | min.53 mm | Diameter of shaft abutment |
| Da | max.72.2 mm | Diameter of housing abutment |
| ra | max.1.5 mm | Radius of fillet |
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Q2: How can you guarantee the quality?
A: If you meet with quality problem, we promise to replace goods or return your funds.
Q3: If we don’t find what we want on your website, what should we do?
A: You can email us the descriptions and pictures of the products you need, we will check whether we have them. We develop new items every month, and some of them have not been uploaded to website in time. Or you can send us sample by express, we will develop this item for bulk purchasing.
Q4: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to send 1pc for quality testing if we have the item you need in stock.
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Company Details
Business Type:
Manufacturer,Importer,Exporter,Seller
Year Established:
2004
Total Annual:
10000000-50000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Linqing Zhonghong Bearing Co., LTD office is in Guangzhou city and factory in Shandong province. It is a company integrating bearing R & D, production and sales, with many years of experience in bearing support and industrial service in the industrial field. We specialize in both internationa... Linqing Zhonghong Bearing Co., LTD office is in Guangzhou city and factory in Shandong province. It is a company integrating bearing R & D, production and sales, with many years of experience in bearing support and industrial service in the industrial field. We specialize in both internationa...
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