High Precision Good Packing Angular-Contact Ball 7200b Bearing for Instruments
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Product Highlights
- High Precision & Accuracy: Designed for high rotational accuracy crucial for precision machinery and instruments.
- Versatile Load Handling: Effectively handles combined radial and axial loads with contact angles of 15, 25, or 40 degrees.
- High-Speed Performance: Enables excellent high-speed performance due to reduced friction and unique angled raceways.
- Wide Application Range: Suitable for automotive transmissions, machine tool spindles, and aerospace applications.
- Customization Options: Offers customized precision ratings (P0-P2), seals, cages, and hardness levels.
- Durable Construction: Made from bearing steel with hardness 59-63 HRC for long life and durability.
- Rich Stock Supply: Great supplying ability with rich stock available for immediate delivery needs.
- Fast After-Sales Service: Provides response within 24 hours for any technical support or service inquiries.
Product Attributes
- Customization
- Available
- Contact Angle
- 30
- Aligning
- Non-Aligning Bearing
- Model NO.
- 7200B 77201B 7202B
- Separated
- Unseparated
- Rows Number
- Double
- Load Direction
- Radial Bearing
- Material
- Bearing Steel
- Structure
- Angular Contact
- Precision Rating
- P0 P6 P5 P4 P2
- Hardness
- 59-63 HRC
- Seals Type
- Open, 2RS, Zz
- Service
- OEM, ODM, Customized Services
- Stock Qty
- Rich/Great Supplying Ability
- Cage
- Steel Cage.Copper Cage.Nylon Cage
- Feature
- Long Life / Durable / Low Voice
- Applicable
- Mining. Metallurgy. Agriculture. Industrial
- After Service
- Within 24 Hours Response
- Transport Package
- Box+Carton+Pallet
- Specification
- standard
- Trademark
- DOKING
- Origin
- China
- HS Code
- 84821030
- Production Capacity
- 200000pieces/Year
Product Images of High Precision Good Packing Angular-Contact Ball 7200b Bearing for Instruments
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Product Description



Angular contact ball bearings, with their unique angled raceways, are designed to handle combined radial and axial loads effectively. Their contact angle, typically 15°, 25°, or 40°, allows for versatile load distribution. This design not only offers high rotational accuracy crucial for precision machinery but also enables excellent high - speed performance due to reduced friction. These bearings find extensive use in automotive transmissions for smooth power transfer, in machine tool spindles to ensure machining precision, and in aerospace applications where reliability and high - performance under complex loading conditions are essential.
| Bearig Number |
Principal dimensions(mm) | Weight(KG) | |||||
| d | D | B | a | rsmin | |||
| 5200 | 3200 | 10 | 30 | 14.3 | 18.5 | 0.6 | 0.049 |
| 5201 | 3201 | 12 | 32 | 15.9 | 20.5 | 0.6 | 0.057 |
| 5202 | 3202 | 15 | 35 | 15.9 | 22.5 | 0.6 | 0.064 |
| 5302 | 3302 | 15 | 42 | 19.0 | 26.0 | 1.0 | 0.132 |
| 5203 | 3203 | 17 | 40 | 17.5 | 25.5 | 0.6 | 0.096 |
| 5303 | 3303 | 17 | 47 | 22.2 | 28.5 | 1.0 | 0.181 |
| 5204 | 3204 | 20 | 47 | 20.6 | 29.5 | 1.0 | 0.153 |
| 5304 | 3304 | 20 | 52 | 22.2 | 32.0 | 1.1 | 0.217 |
| 5205 | 3205 | 25 | 52 | 20.6 | 32.5 | 1.0 | 0.175 |
| 5305 | 3305 | 25 | 62 | 25.4 | 38.0 | 1.1 | 0.362 |
| 5206 | 3206 | 30 | 62 | 23.8 | 38.5 | 1.0 | 0.286 |
| 5306 | 3306 | 30 | 72 | 30.2 | 44.5 | 1.1 | 0.553 |
| 5207 | 3207 | 35 | 72 | 27.0 | 44.5 | 1.1 | 0.436 |
| 5307 | 3307 | 35 | 80 | 34.9 | 50.0 | 1.5 | 0.766 |
| 5208 | 3208 | 40 | 82 | 30.2 | 49.0 | 1.1 | 0.59 |
| 5308 | 3308 | 40 | 90 | 36.5 | 55.0 | 1.5 | 1.01 |
| 5209 | 3209 | 45 | 85 | 30.2 | 52.5 | 1.1 | 0.64 |
| 5309 | 3309 | 45 | 100 | 39.7 | 61.0 | 1.5 | 1.34 |
| 5210 | 3210 | 50 | 90 | 30.2 | 55.5 | 1.1 | 0.689 |
| 5310 | 3310 | 50 | 110 | 44.4 | 67.0 | 2.0 | 1.81 |
| 5211 | 3211 | 55 | 100 | 33.3 | 61.5 | 1.5 | 0.986 |
| 5311 | 3311 | 55 | 120 | 49.2 | 75.0 | 2.0 | 2.32 |
| 5212 | 3212 | 60 | 110 | 36.5 | 67.5 | 1.5 | 1.27 |
| 5312 | 3312 | 60 | 130 | 54.0 | 82.0 | 2.1 | 3.05 |
| 5213 | 3213 | 65 | 120 | 38.1 | 72.5 | 1.5 | 1.57 |
| 5313 | 3313 | 65 | 140 | 58.7 | 88.5 | 2.1 | 3.96 |
| 5214 | 3214 | 70 | 125 | 39.7 | 76.5 | 1.5 | 1.80 |
| 5314 | 3314 | 70 | 150 | 63.5 | 97.0 | 2.1 | 4.74 |
| 5215 | 3215 | 75 | 130 | 41.3 | 79.5 | 1.5 | 1.90 |
| 5315 | 3315 | 75 | 160 | 68.3 | 104.0 | 2.1 | 5.65 |
| 5216 | 3216 | 80 | 140 | 44.4 | 88.0 | 2.0 | 2.39 |
| 5217 | 3217 | 85 | 150 | 49.2 | 95.0 | 2.0 | 3.06 |
| 5218 | 3218 | 90 | 160 | 52.4 | 101.0 | 2.0 | 3.73 |
| 5219 | 3219 | 95 | 170 | 55.6 | 106.0 | 2.1 | 4.86 |
| 5220 | 3220 | 100 | 180 | 60.3 | 111.0 | 2.1 | 5.94 |
| Bearing type | Boundary Dimensions(mm) | Load Rating | Speed Rating(ipm) | Weight | |||||
| (kn) | |||||||||
| New Model | Old Model | d | D | B | Dymamic Cr | Static Cor | Grease | Oil | Weight |
| lubrication | lubrication | (kg) | |||||||
| 7000AC | 46100 | 10 | 26 | 8 | 5 | 2.35 | 34000 | 42000 | 0.021 |
| 7001AC | 46101 | 12 | 28 | 8 | 5.4 | 2.75 | 29000 | 37000 | 0.024 |
| 7002AC | 46102 | 15 | 32 | 9 | 6.1 | 3.45 | 26000 | 32000 | 0.035 |
| 7003AC | 46103 | 17 | 35 | 10 | 6.75 | 4.15 | 23000 | 28000 | 0.045 |
| 7004AC | 46104 | 20 | 42 | 12 | 10.3 | 6.1 | 19000 | 24000 | 0.079 |
| 7005AC | 46105 | 25 | 47 | 12 | 11.3 | 7.4 | 17000 | 21000 | 0.091 |
| 7006AC | 46106 | 30 | 55 | 13 | 14.5 | 10.1 | 14000 | 18000 | 0.133 |
| 7007AC | 46107 | 35 | 62 | 14 | 17.5 | 12.6 | 12000 | 15000 | 0.17 |
| 7008AC | 46108 | 40 | 68 | 15 | 18.7 | 14.6 | 11000 | 14000 | 0.21 |
| 7009AC | 46109 | 45 | 75 | 16 | 22.2 | 17.7 | 10000 | 12000 | 0.26 |
| 7010AC | 46110 | 50 | 80 | 16 | 23.6 | 20.1 | 9200 | 11000 | 0.29 |
| 7011AC | 46111 | 55 | 90 | 18 | 31.1 | 26.3 | 8300 | 10000 | 0.42 |
| 7012AC | 46112 | 60 | 95 | 18 | 31.9 | 28.1 | 7700 | 9700 | 0.45 |
| 7013AC | 46113 | 65 | 100 | 18 | 33.7 | 31.4 | 7200 | 9000 | 0.47 |
| 7014AC | 46114 | 70 | 110 | 20 | 42.7 | 39.4 | 8300 | 0.66 | |
| 7015AC | 46115 | 75 | 115 | 20 | 43.6 | 41.7 | 6300 | 7800 | 0.69 |
| 7016AC | 46116 | 80 | 125 | 22 | 53.4 | 50.6 | 5800 | 7200 | 0.93 |
| 7017AC | 46117 | 85 | 130 | 22 | 54.6 | 53.7 | 5500 | 6800 | 0.97 |
| 7018AC | 46118 | 90 | 140 | 24 | 65.2 | 63.3 | 5100 | 6400 | 1.26 |
| 7019AC | 46119 | 95 | 145 | 24 | 66.6 | 67.1 | 4800 | 6000 | 1.32 |
| 7020AC | 46120 | 100 | 150 | 24 | 68.4 | 70.6 | 4700 | 5900 | 1.37 |
| 7021AC | 46121 | 105 | 160 | 26 | 79.8 | 81.9 | 4400 | 5500 | 1.73 |
| 7022AC | 46122 | 110 | 170 | 28 | 91.9 | 92.8 | 4200 | 5200 | 2.14 |
| 7024AC | 46124 | 120 | 180 | 28 | 96.6 | 103 | 3900 | 4900 | 2.27 |
| 7026AC | 46126 | 130 | 200 | 33 | 117 | 125 | 3500 | 4400 | 3.43 |
| 7028AC | 46128 | 140 | 210 | 33 | 120 | 133 | 3300 | 4100 | 3.64 |
| 7030AC | 46130 | 150 | 225 | 35 | 137 | 154 | 3000 | 3800 | 4.43 |
| 7032AC | 46132 | 160 | 240 | 38 | 5.02 | ||||
| 7034AC | 46134 | 170 | 260 | 42 | 186 | 214 | 2600 | 3200 | 7.56 |
| 7038AC | 46138 | 190 | 290 | 46 | 217 | 268 | 2300 | 2800 | 10.8 |
| 7040AC | 46140 | 200 | 310 | 51 | 244 | 309 | 2100 | 2600 | 12.7 |
| 7200AC | 46200 | 10 | 30 | 9 | 4.65 | 2.2 | 29000 | 37000 | 0.031 |
| 7201AC | 46201 | 12 | 32 | 10 | 7.45 | 3.65 | 27000 | 34000 | 0.038 |
| 7202AC | 46202 | 15 | 35 | 11 | 8.1 | 4.25 | 24000 | 29000 | 0.048 |
| 7203AC | 46203 | 17 | 40 | 12 | 10.2 | 5.5 | 21000 | 26000 | 0.07 |
| 7204AC | 46204 | 20 | 47 | 14 | 14.5 | 8.4 | 17000 | 22000 | 0.112 |
| 7205AC | 46205 | 25 | 52 | 15 | 15.3 | 9.5 | 15000 | 19000 | 0.135 |
| 7206AC | 46206 | 30 | 62 | 16 | 21.3 | 13.7 | 13000 | 16000 | 0.208 |
| 7207AC | 46207 | 35 | 72 | 17 | 28.1 | 18.6 | 11000 | 14000 | 0.295 |
| 7208AC | 46208 | 40 | 80 | 18 | 33.6 | 23.3 | 10000 | 12000 | 0.382 |
| 7209AC | 46209 | 45 | 85 | 19 | 37.7 | 26.6 | 9400 | 12000 | 0.43 |
| 7210AC | 46210 | 50 | 90 | 20 | 39.4 | 41.3 | 8500 | 11000 | 0.485 |
| 7211AC | 46211 | 55 | 700 | 21 | 48.7 | 37.1 | 7600 | 9500 | 0.635 |
| 7212AC | 46212 | 60 | 110 | 22 | 58.9 | 45.7 | 6900 | 8600 | 0.82 |
| 7213AC | 46213 | 65 | 120 | 23 | 67.3 | 54.2 | 6400 | 8000 | 1.02 |
| 7214AC | 46214 | 70 | 125 | 24 | 69.8 | 55.6 | 6100 | 7600 | 1.12 |
| 7215AC | 46215 | 75 | 130 | 25 | 79.2 | 65.2 | 5800 | 7200 | 1.23 |
| 7216AC | 46216 | 80 | 140 | 26 | 85.3 | 71.5 | 5400 | 6700 | 1.5 |
| 7217AC | 46217 | 85 | 150 | 28 | 98.6 | 83.6 | 5000 | 6300 | 1.87 |
| 7218AC | 46218 | 90 | 760 | 30 | 113 | 96.7 | 4700 | 5900 | 2.3 |
| 7219AC | 46219 | 95 | 770 | 32 | 122 | 103 | 4400 | 5500 | 2.78 |
| 7220AC | 46220 | 100 | 180 | 34 | 137 | 117 | 4100 | 5200 | 3.32 |
| 7221AC | 46221 | 105 | 190 | 36 | 149 | 132 | 3900 | 4900 | 3.95 |
| 7222AC | 46222 | 110 | 200 | 38 | 162 | 148 | 3700 | 4600 | 4.65 |
| 7224AC | 46224 | 130 | 215 | 40 | 174 | 166 | 3400 | 4300 | 5.49 |
| 7226AC | 46226 | 130 | 230 | 40 | 196 | 198 | 3200 | 4000 | 6.21 |
| 7228AC | 46228 | 140 | 250 | 42 | 218 | 234 | 2900 | 3600 | 7.76 |
| 7232AC | 46232 | 160 | 290 | 48 | 230 | 263 | 2500 | 3100 | 12.1 |
| 7234AC | 46234 | 170 | 370 | 52 | 272 | 331 | 2300 | 2800 | 15.1 |
| 7236AC | 46236 | 180 | 320 | 52 | 293 | 362 | 2200 | 2700 | 15.7 |
| 7240AC | 46240 | 200 | 360 | 58 | 324 | 432 | 1900 | 2400 | 22.4 |
| 7244AC | 46244 | 220 | 400 | 65 | 358 | 482 | 1100 | 1600 | 38.5 |
| 7300AC | 46300 | 10 | 35 | 11 | 8.5 | 3.75 | 27000 | 33000 | 0.054 |
| 7301AC | 46301 | 12 | 37 | 12 | 10.2 | 4.6 | 24000 | 31000 | 0.065 |
| 7302AC | 46302 | 15 | 42 | 13 | 12.5 | 6.45 | 20000 | 25000 | 0.088 |
| 7303AC | 46303 | 17 | 47 | 14 | 14.9 | 7.9 | 18000 | 23000 | 0.12 |
| 7304AC | 46304 | 20 | 52 | 15 | 17.4 | 9.4 | 17000 | 21000 | 0.15 |
| 7305AC | 46305 | 25 | 62 | 17 | 24.8 | 14.4 | 14000 | 17000 | 0.243 |
| 7306AC | 46306 | 30 | 72 | 19 | 30.1 | 18.9 | 12000 | 14000 | 0.362 |
| 7307AC | 46307 | 35 | 80 | 21 | 35.4 | 22 | 10000 | 13000 | 0.475 |
| 7308AC | 46308 | 40 | 90 | 23 | 43.2 | 27.4 | 9200 | 12000 | 0.657 |
| 7309AC | 46309 | 45 | 100 | 25 | 55.1 | 37.1 | 8200 | 10000 | 0.875 |
| 7310AC | 46310 | 50 | 170 | 27 | 70.1 | 48.7 | 7300 | 9100 | 1.14 |
| 7311AC | 46311 | 55 | 120 | 29 | 80.9 | 56.5 | 6700 | 8400 | 1.45 |
| 7312AC | 46312 | 60 | 130 | 31 | 92.5 | 65.6 | 6200 | 7700 | 1.81 |
| 7313AC | 46313 | 65 | 140 | 33 | 105 | 75.3 | 5800 | 7200 | 2.22 |
| 7314AC | 46314 | 70 | 150 | 35 | 118 | 85.8 | 5400 | 6700 | 2.7 |
| 7315AC | 46315 | 75 | 160 | 37 | 128 | 97 | 5000 | 6300 | 3.15 |
| 7316AC | 46316 | 80 | 170 | 39 | 139 | 109 | 4700 | 5900 | 3.85 |
| 7317AC | 46317 | 85 | 180 | 41 | 150 | 122 | 4400 | 5500 | 4.53 |
| 7318AC | 46318 | 90 | 190 | 43 | 161 | 135 | 4200 | 5200 | 5 |
| 7319AC | 46319 | 95 | 200 | 45 | 172 | 149 | 4000 | 4900 | 6.12 |
| 7320AC | 46320 | 100 | 215 | 47 | 184 | 161 | 3600 | 4600 | 7.53 |
| 7321AC | 46321 | 105 | 225 | 49 | 208 | 193 | 3500 | 4400 | 8.62 |
| 7322AC | 46322 | 110 | 240 | 50 | 232 | 226 | 3200 | 4000 | 10.7 |
| 7324AC | 46324 | 120 | 260 | 55 | 246 | 252 | 3000 | 3700 | 12.6 |
| 7326AC | 46326 | 130 | 280 | 58 | 301 | 329 | 2700 | 3400 | 15.4 |
| 7328AC | 46328 | 140 | 300 | 62 | 329 | 374 | 2500 | 3200 | 18.8 |
| 7330AC | 46330 | 150 | 320 | 65 | 348 | 414 | 2300 | 2900 | 22.4 |
| 7332AC | 46332 | 160 | 340 | 68 | 365 | 455 | 2200 | 2700 | 26.4 |
| 7334AC | 46334 | 170 | 360 | 72 | 389 | 485 | 2000 | 2500 | 31.2 |
| 7336AC | 46336 | 180 | 380 | 75 | 409 | 534 | 1900 | 2400 | 40 |
| 7338AC | 46338 | 190 | 400 | 78 | 450 | 598 | 1800 | 2200 | 45.5 |
| 7340AC | 46340 | 200 | 420 | 80 | 474 | 658 | 1700 | 2100 | 52 |
| 7406AC | 46406 | 30 | 90 | 23 | 0.96 | ||||
| 7407AC | 46407 | 35 | 100 | 25 | 1.14 | ||||
| 7408AC | 46408 | 40 | 110 | 27 | 1.4 | ||||
| 7409AC | 46409 | 45 | 120 | 29 | 1.8 | ||||
| 7410AC | 46410 | 50 | 130 | 31 | 2.25 | ||||
| 7411AC | 46411 | 55 | 140 | 33 | 2.75 | ||||
| 7412AC | 46412 | 60 | 150 | 35 | 3.4 | ||||
| 7413AC | 46413 | 65 | 160 | 37 | 4.2 | ||||
| 7414AC | 46414 | 70 | 180 | 42 | 5.8 | ||||
| 7415AC | 46415 | 75 | 190 | 45 | 7 | ||||
| 7416AC | 46416 | 80 | 200 | 48 | 8 | ||||








About the Supplier
Company Profile
DOKING INDUSTRIAL LIMITED, established in 2009, majoring in bearing production and marketing to domestic market. With years of development, we built our own international sales team and started to export since 2018. We are a professional bearing company that integrates bearing research and development, manufacturing, and sales.
Our products range covers Cylindrical Roller Bearing, Needle Roller Bearing, Tapered Roller Bearing, Spherical roller bearing, Deep Groove Ball Bearing, Angular Contact Ball Bearing (single row& double row), Thrust Ball/Roller Bearing, Linear bearing, Plain shaft(Axis) series, Linear guide rail, Rod end bearing, Joint bearing, Stainless Steel Bearings, Ceramic bearings, Plastic bearing, Thin-wall bearing, Excavator bearing, Rotor bearing and so on. They are widely used in fields like Agriculture, Automotive, Steel industry, Pumps & Compressors, Railways, Mining & Construction, Motorcycles, Electric Motors, Printing and Power Tools, etc.
Our products are widely used in supporting services such as motors, household appliances, agricultural machinery, engineering machinery, construction machinery, roller skates, paper machinery, reducers, railway vehicles, crushers, printing machinery, woodworking machinery, automobiles, metallurgy, rolling mills, mines, and other modes of supporting services.
We dedicate to the proposition of QUALITY ASSURANCE, GREAT VARIETY OF GOODS, FAVORABLE PRICE AND PUNCTUAL SUPPLY. Welcome customers from all walks of life to discuss about your demand. We will not disappoint you.
About Our Factory & Business Background
- Address
- Xingtai, Hebei, China
- Terms of Payment
- T/T, Small-amount payment
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, FCA
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- TIANJIN, QINGDAO
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2008-04-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What are the available precision ratings?
- We offer customized precision ratings including P0, P6, P5, P4, and P2.
- What types of seals are available?
- Seals can be customized as Open, 2RS, or ZZ types.
- What materials and hardness are used?
- The bearings are made of bearing steel with a hardness of 59-63 HRC.
- What is the lead time for orders?
- Peak season lead time is one month, while off-season lead time is within 15 workdays.
- What payment terms are accepted?
- We accept T/T and small-amount payments.
- Can you provide OEM or ODM services?
- Yes, we provide OEM, ODM, and customized services.
- What is the response time for after-sales service?
- We guarantee a response within 24 hours.
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