Double-Row Angular Contact Ball Bearings with a Dust Cover on One Side, a=15o Angular Contact Ball Bearing, a=25o Angular Contact Ball Bearing, 7309
China Double-Row Angular Contact Ball Bearings with a Dust Cover on One Side, a=15o Angular Contact Ball Bearing, a=25o Angular Contact Ball Bearing, 7309, Find details about China Full Ceramic Bearing, Ceramic Ball Bearings from Double-Row Angular Contact Ball Bearings with a Dust Cover on One Side, a=15o Angular Contact Ball Bearing, a=25o Angular Contact Ball Bearing, 7309
Basic Info.
Model NO.
7309
Zro2 Weight
0.64
Si3n4 Weight
0.345
Trademark
RTB
Transport Package
Insutrial Packing or Single Box Packing
Specification
45*100*25mm
Origin
China
HS Code
8482910000
Model NO.
7309
Zro2 Weight
0.64
Si3n4 Weight
0.345
Trademark
RTB
Transport Package
Insutrial Packing or Single Box Packing
Specification
45*100*25mm
Origin
China
HS Code
8482910000
Product Desciption
The rings and balls of all-ceramic deep groove ball bearings are made of silicon nitride (Si3N4) ceramic material. This bearing can be designed as a full ball or with PTFE, PEEK or stainless steel 304/316 cage. PTFE is the default standard cage.Full ceramic deep groove ball bearings have the characteristics of non-magnetic and electrical insulation, wear-resistant and corrosion-resistant, oil-free and self-lubricating, high temperature and cold resistance, and can be used in extremely harsh environments and special working conditions. It can be used in high temperature environment above 400ºC under the condition of full ball or equipped with stainless steel 316 cage. The PEEK cage can also be used at temperatures above 250°C. For polar temperatures (for example, lower than -70°C), full ceramic bearings with PTFE cages or stainless steel 316 cages can be used. Normally, the normal radial clearance is C0. When it is necessary to adapt to the extreme environment, other clearances can be customized.
| model | size(mm) | Installation size (mm) | weight | weight | ||||||
| da | Da | ra | (kg) | (kg) | ||||||
| d | D | B | r(min) | r1(min) | min | max | max | ZrO2 | Si3N4 | |
| 7900 | 10 | 22 | 6 | 0.3 | 0.15 | 12.5 | 19.5 | 0.3 | 0.007 | 0.0038 |
| 7000 | 26 | 8 | 0.3 | 0.15 | 12.5 | 23.5 | 0.3 | 0.014 | 0.0075 | |
| 7200 | 30 | 9 | 0.6 | 0.3 | 15 | 25 | 0.6 | 0.025 | 0.013 | |
| 7300 | 35 | 11 | 0.6 | 0.3 | 15 | 30 | 0.6 | 0.04 | 0.022 | |
| 7901 | 12 | 24 | 6 | 0.3 | 0.15 | 14.5 | 21.5 | 0.3 | 0.008 | 0.0042 |
| 7001 | 28 | 8 | 0.3 | 0.15 | 14.5 | 25.5 | 0.3 | 0.017 | 0.0092 | |
| 7201 | 32 | 10 | 0.6 | 0.3 | 17 | 27 | 0.6 | 0.028 | 0.015 | |
| 7301 | 37 | 12 | 1 | 0.6 | 18 | 31 | 1 | 0.046 | 0.025 | |
| 7902 | 15 | 28 | 7 | 0.3 | 0.15 | 17.5 | 25.5 | 0.3 | 0.012 | 0.0063 |
| 7002 | 32 | 9 | 0.3 | 0.15 | 17.5 | 29.5 | 0.3 | 0.024 | 0.013 | |
| 7202 | 35 | 11 | 0.6 | 0.3 | 20 | 30 | 0.3 | 0.035 | 0.019 | |
| 7302 | 42 | 13 | 1 | 0.6 | 21 | 36 | 1 | 0.064 | 0.035 | |
| 7903 | 17 | 30 | 7 | 0.3 | 0.15 | 19.5 | 27.5 | 0.3 | 0.013 | 0.0071 |
| 7003 | 35 | 10 | 0.3 | 0.15 | 19.5 | 32.5 | 0.3 | 0.032 | 0.017 | |
| 7203 | 40 | 12 | 0.6 | 0.3 | 22 | 35 | 0.6 | 0.052 | 0.028 | |
| 7303 | 47 | 14 | 1 | 0.6 | 23 | 41 | 1 | 0.087 | 0.047 | |
| 7904 | 20 | 37 | 9 | 0.3 | 0.15 | 22.5 | 34.5 | 0.3 | 0.028 | 0.015 |
| 7004 | 42 | 12 | 0.6 | 0.3 | 25 | 37 | 0.6 | 0.052 | 0.028 | |
| 7204 | 47 | 14 | 1 | 0.6 | 26 | 41 | 1 | 0.082 | 0.045 | |
| 7304 | 52 | 15 | 1.1 | 0.6 | 27 | 45 | 1 | 0.11 | 0.06 | |
| 7905 | 25 | 42 | 9 | 0.3 | 0.15 | 27.5 | 39.5 | 0.3 | 0.032 | 0.018 |
| 7005 | 47 | 12 | 0.6 | 0.3 | 30 | 42 | 0.6 | 0.061 | 0.033 | |
| 7205 | 52 | 15 | 1 | 0.6 | 31 | 46 | 1 | 0.099 | 0.054 | |
| 7305 | 62 | 17 | 1.1 | 0.6 | 32 | 55 | 1 | 0.18 | 0.098 | |
| 7906 | 30 | 47 | 9 | 0.3 | 0.15 | 32.5 | 44.5 | 1 | 0.04 | 0.022 |
| 7006 | 55 | 13 | 1 | 0.6 | 36 | 49 | 1 | 0.089 | 0.048 | |
| 7206 | 62 | 16 | 1 | 0.6 | 36 | 56 | 1 | 0.15 | 0.083 | |
| 7306 | 72 | 19 | 1.1 | 0.6 | 37 | 65 | 1 | 0.27 | 0.14 | |
| 7907 | 35 | 55 | 10 | 0.6 | 0.3 | 40 | 50 | 0.6 | 0.058 | 0.031 |
| 7007 | 62 | 14 | 1 | 0.6 | 41 | 56 | 1 | 0.12 | 0.063 | |
| 7207 | 72 | 17 | 1.1 | 0.6 | 42 | 65 | 1 | 0.22 | 0.12 | |
| 7307 | 80 | 21 | 1.5 | 1 | 44 | 71 | 1.5 | 0.36 | 0.19 | |
| 7908 | 40 | 62 | 12 | 0.6 | 0.3 | 45 | 57 | 0.6 | 0.09 | 0.05 |
| 7008 | 68 | 15 | 1 | 0.6 | 46 | 62 | 1 | 0.15 | 0.08 | |
| 7208 | 80 | 18 | 1.1 | 0.6 | 47 | 73 | 1 | 0.28 | 0.15 | |
| 7308 | 90 | 23 | 1.5 | 1 | 49 | 81 | 1.5 | 0.49 | 0.27 | |
| 7909 | 45 | 68 | 12 | 0.6 | 0.3 | 50 | 63 | 0.6 | 0.097 | 0.053 |
| 7009 | 75 | 16 | 1 | 0.6 | 51 | 69 | 1 | 0.19 | 0.1 | |
| 7209 | 85 | 19 | 1.1 | 0.6 | 52 | 78 | 1 | 0.32 | 0.175 | |
| 7309 | 100 | 25 | 1.5 | 1 | 54 | 91 | 1.5 | 0.64 | 0.345 | |
| 7910 | 50 | 72 | 12 | 0.6 | 0.3 | 55 | 67 | 0.6 | 0.1 | 0.06 |
| 7010 | 80 | 16 | 1 | 0.6 | 56 | 74 | 1 | 0.2 | 0.11 | |
| 7210 | 90 | 20 | 1.1 | 0.6 | 57 | 83 | 1 | 0.35 | 0.19 | |
| 7310 | 110 | 27 | 2 | 1 | 60 | 100 | 2 | 0.82 | 0.44 | |
| 7911 | 55 | 80 | 13 | 1 | 0.6 | 61 | 74 | 1 | 0.15 | 0.08 |
| 7011 | 90 | 18 | 1.1 | 0.6 | 62 | 83 | 1 | 0.29 | 0.16 | |
| 7211 | 100 | 21 | 1.5 | 1 | 64 | 91 | 1.5 | 0.48 | 0.26 | |
| 7311 | 120 | 29 | 2 | 1 | 65 | 110 | 2 | 1.05 | 0.57 | |
| 7912 | 60 | 85 | 13 | 1 | 0.6 | 66 | 79 | 1 | 0.15 | 0.08 |
| 7012 | 95 | 18 | 1.1 | 0.6 | 67 | 88 | 1 | 0.32 | 0.17 | |
| 7212 | 110 | 22 | 1.5 | 1 | 69 | 101 | 1.5 | 0.6 | 0.33 | |
| 7312 | 130 | 31 | 2.1 | 1.1 | 72 | 118 | 2 | 1.32 | 0.72 | |
| 7913 | 65 | 90 | 13 | 1 | 0.6 | 71 | 84 | 1 | 0.17 | 0.09 |
| 7013 | 100 | 18 | 1.1 | 0.6 | 72 | 93 | 1 | 0.34 | 0.18 | |
| 7213 | 120 | 23 | 1.5 | 1 | 74 | 111 | 1.5 | 0.77 | 0.42 | |
| 7313 | 140 | 33 | 2.1 | 1.1 | 77 | 128 | 2 | 1.62 | 0.88 | |
| 7914 | 70 | 100 | 16 | 1 | 0.6 | 76 | 94 | 1 | 0.27 | 0.15 |
| 7014 | 110 | 20 | 1.1 | 0.6 | 77 | 103 | 1 | 0.47 | 0.25 | |
| 7214 | 125 | 24 | 1.5 | 1 | 79 | 116 | 1.5 | 0.84 | 0.45 | |
| 7314 | 150 | 35 | 2.1 | 1.1 | 82 | 138 | 2 | 1.98 | 1.07 | |
| 7915 | 75 | 105 | 16 | 1 | 0.6 | 81 | 99 | 1 | 0.28 | 0.15 |
| 7015 | 115 | 20 | 1.1 | 0.6 | 82 | 108 | 1 | 0.5 | 0.27 | |
| 7215 | 130 | 25 | 1.5 | 1 | 84 | 121 | 1.5 | 0.92 | 0.5 | |
| 7916 | 80 | 110 | 16 | 1 | 0.6 | 86 | 104 | 1 | 0.3 | 0.16 |
| 7016 | 125 | 22 | 1.1 | 0.6 | 87 | 118 | 1 | 0.67 | 0.36 | |
| 7216 | 140 | 26 | 2 | 1 | 90 | 130 | 2 | 1.09 | 0.59 | |
| 7017 | 85 | 130 | 22 | 1.1 | 0.6 | 92 | 123 | 1 | 0.71 | 0.38 |
| 7217 | 150 | 28 | 2 | 1 | 95 | 140 | 2 | 1.35 | 0.73 | |
| 7918 | 90 | 125 | 18 | 1.1 | 0.6 | 97 | 118 | 1 | 0.45 | 0.24 |
| 7018 | 140 | 24 | 1.5 | 1 | 99 | 131 | 1.5 | 0.92 | 0.5 | |
| 7919 | 95 | 130 | 18 | 1.1 | 0.6 | 102 | 123 | 1 | 0.46 | 0.25 |
| 7019 | 145 | 24 | 1.5 | 1 | 104 | 136 | 1.5 | 0.95 | 0.51 | |
| 7920 | 100 | 140 | 20 | 1.1 | 0.6 | 107 | 133 | 1 | 0.64 | 0.35 |
| 7020 | 150 | 24 | 1.5 | 1 | 109 | 141 | 1.5 | 0.99 | 0.54 | |
| 7921 | 105 | 145 | 20 | 1.1 | 0.6 | 112 | 138 | 1 | 0.66 | 0.36 |
| 7922 | 110 | 150 | 20 | 1.1 | 0.6 | 117 | 143 | 1 | 0.69 | 0.37 |
About usTIANJIN REET BEARING.CO.,LTD is a professional bearing manufacturer and exporter.
We have a wealth of technical.All producing processes are finished in our manufactory. As an ISO9001:2000 certified manufacturer,we will solve various problems in application and use of our bearings.
Our company is an authorized distributor of FAG, INA, TIMKEN and other world brand bearings.Our company has the right to self-export bearings and launches its own brand RTB.
Our bearing had been exported to more than twenty countries worldwide and are warmly welcomed.
We are looking forward to your order.
FAQ
1.Is the company a production factory or a trading company?
TIANJIN REET BEARING CO.,LTD is a manufacturing enterprise focusing on bearings and integrating research, production and sales.
2.How many the MOQ of your company?
Depending on the size of the bearing, the MOQ is variable, if you are interested, you can contact me for a quote.
3.Does the company accept OEM or customized bearings?
In addition to standard products, we also supply non-standard and modified standard products for special application. Meanwhile, we provide OEM service.
4.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.
5.What are the company's delivery terms?
We can accept EXW,FOB,CFR,CIF,etc. You can choose the one which is the most convenient cost effective for you.
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