DWR Bearing Co., Ltd
| Payment Terms | T/T, Western Union, MoneyGram |
| Supply Ability | 10000PCS PER MONTH |
| Packaging Details | NEUTRAL PACKAGE |
| Material | Chrome Steel |
| Quality standard | ISO9001:2008 |
| Clearance | C2,C0,c3 |
| Precision rating | P6 |
| Brand Name | NSK |
| Model Number | 61903-2Z |
| Place of Origin | Japan |
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Product Specification
| Payment Terms | T/T, Western Union, MoneyGram | Supply Ability | 10000PCS PER MONTH |
| Packaging Details | NEUTRAL PACKAGE | Material | Chrome Steel |
| Quality standard | ISO9001:2008 | Clearance | C2,C0,c3 |
| Precision rating | P6 | Brand Name | NSK |
| Model Number | 61903-2Z | Place of Origin | Japan |
| High Light | u groove ball bearing ，double row deep groove ball bearings | ||
Deep groove ball bearing feature :
1. The most representative of the rolling bearings, widely used
2. Outer ring with a ring or flange bearing, that is easy to axial positioning, and easy to install the shell;
3. The maximum load bearing size is the same as the standard bearing, but the inner and outer rings have a trough, which increases the number of balls and improves the rated load.
Single Row Deep Groove Ball Bearing main purpose:
Deep groove ball bearings can be used for transmission, instrumentation, motors, household appliances, internal combustion engines, transport vehicles, agricultural machinery, construction machinery, construction machinery, roller skates, yo-yo
1:Can withstand radial load and bidirectional axial load
2:Suitable for high-speed rotation and require low noise, low vibration of the occasion
3:With a steel plate dust cover or rubber seal seal bearing in advance filled with the right amount of grease;
| Bearing Model | 61903-2Z |
| Type | Single Row Deep Groove Ball Bearing |
| Bore Size (mm) | 17 |
| Outside Diameter (mm) | 30 |
| Width (mm) | 7 |
| Mass (kg) | 0.018 |
| Material | Chrome Steel, Carbon steel, Stainless steel |
| Cage Material | Nylon |
| Number of Row | Single Row |
| Precision Rating | P5. P6 |
| Basic Dynamic Load Rating (Cr) | 23.4 kN |
| Basic Static Load Rating (Cor) | 11.6 kN |
| Limiting Speed | 7500 r/min |
Specifications:
1. High precision bearings
2. ISO standard
3. Material:Gcr15 High- carbon chrome steel
Our Service
1. We are a manufacturer of producing bearing for more than ten years of experience in product.
2. The Most advanced machinery and a strict quality control team.
3. On-time delivery service.
4. Accept non-standard production according to customers’ requirement.
5. High level of performance, quality, of all equipment and service.
6. Promptness in technical support pre- and after sales.
7. Do OEM for our customers.
| Bearing No. | Inner diameter | Outer diameter | Width | Rated load | Steel ball parameters | Limit speed(RPM) | Weight | |||
| Dynamic | Static | No. | Size | Grease | Oil | |||||
| d | D | B | Cr | Cor | mm | r/min | r/min | KG | ||
| 61900 | 10 | 22 | 6 | 3.7 | 1.27 | 12 | 2.381 | 25000 | 32000 | 0.009 |
| 61901 | 12 | 24 | 6 | 2.89 | 1.46 | 9 | 3.5 | 20000 | 28000 | 0.011 |
| 61902 | 15 | 28 | 6 | 4.1 | 2.06 | 10 | 3.969 | 19000 | 26000 | 0.016 |
| 61903 | 17 | 30 | 7 | 4.65 | 2.85 | 11 | 3.969 | 18000 | 24000 | 0.018 |
| 61904 | 20 | 37 | 7 | 6.4 | 3.7 | 11 | 4.736 | 17000 | 22000 | 0.036 |
| 61905 | 25 | 42 | 9 | 7.05 | 4.56 | 13 | 4.736 | 14000 | 18000 | 0.042 |
| 61906 | 30 | 47 | 9 | 7.25 | 5 | 14 | 4.736 | 12000 | 16000 | 0.148 |
| 61907 | 35 | 55 | 10 | 11.2 | 7.45 | 14 | 5.556 | 10000 | 14000 | 0.074 |
| 61908 | 40 | 62 | 12 | 14.5 | 10.2 | 14 | 6.747 | 8000 | 12000 | 0.11 |
| 61909 | 45 | 68 | 12 | 15.1 | 11.2 | 15 | 6.747 | 6000 | 10000 | 0.128 |
| 61910 | 50 | 72 | 12 | 15.6 | 12.2 | 16 | 6.747 | 4000 | 8000 | 0.132 |
| 61911 | 55 | 80 | 13 | 0.397 | ||||||
| 61912 | 60 | 85 | 13 | 0.425 | ||||||
| 61913 | 65 | 90 | 13 | 0.454 | ||||||
| 61914 | 70 | 100 | 16 | |||||||
| 61915 | 75 | 105 | 16 | |||||||
| 61916 | 80 | 110 | 16 | |||||||
| . . . | ||||||||||
| 61964 | 320 | 440 | 56 | 275 | 392 | 950 | 1200 | 23 | ||
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1998
Total Annual:
1000000-2000000
Employee Number:
50~100
Ecer Certification：
Active Member
DWR Bearing Co., Ltd. was founded in 1998, after more than 10 years of development, nowadays has become into a group corporation with several subsidiaries. Our factory covers an area of 30, 000 square meters, construction area of 19, 000 squre meters, along with advanced production line and modern t... DWR Bearing Co., Ltd. was founded in 1998, after more than 10 years of development, nowadays has become into a group corporation with several subsidiaries. Our factory covers an area of 30, 000 square meters, construction area of 19, 000 squre meters, along with advanced production line and modern t...
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