Single Row Tapered Roller Bearings
Material: GCr15
Precision: P0, P6X, P5, P4
Noise level: Z, Z1, Z2, Z3
Vibration: V, V1, V2, V3
Feature: High-precision, Low-noise, Long-life
Boundary dimensions standard: GB/T 273.1-2003
Working temperature range: -30 degree 120 degree
Free samples and technical drawing: Available
Certificate: ISO9001:2015
تصریح
● Introduction
Single row tapered roller bearings consist of an outer ring and an inner ring assembly, and the inner ring and a set of tapered rollers are covered by a cage to form an inner ring assembly. The outer ring can be separated and interchanged with the inner ring assembly, which is convenient for installation, disassembly and maintenance. This type of bearing is equipped with tapered rollers, which are guided by the large ribs of the inner ring. In the design, the vertices of the conical surfaces of the inner ring raceway surface, the outer ring raceway surface and the roller rolling surface intersect at a point on the bearing center line. Taper bearings include small taper angle bearings and large taper angle bearings. Small taper angle bearings, with a taper angle between 10 degree and 19 degree , mainly bear radial and axial combined loads mainly based on radial loads. They are often used in pairs and installed in reverse. The inner and outer races can be installed separately. The radial and axial clearance can be adjusted during installation and use. Large taper angle bearings, the taper angle is between 25 degree and 29 degree , and the post code is added with B. It mainly bears the combined axial and radial loads mainly based on axial loads, and is generally not used to bear pure axial loads alone. When configured in pairs, it can be used to carry pure radial loads. Single row tapered roller bearings are characterized by low friction, low noise, low vibration and long service life, which can also increase operational reliability in some complex operating conditions.
Tapered roller bearings are widely used in automobiles, gearboxes, crushers, rolling mills, mining, metallurgy, industrial machinery and other industries.
● Bearing Series
The types of the bearings include 302 series, 303 series, 313 series, 320 series, 322 series, 323 series, 329 series, 330 series, 331 series, 332 series, 323..-A series, 323..-B series, 323..- T series and 323..- K series.
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● Production Details
◆ Processing of tapered rollers
The precision grade, size, production batch and processing method of the rollers are different, and the manufacturing process of the tapered rollers is also different, but the basic manufacturing process is generally the same. The representative manufacturing process of grade III tapered rollers is as follows: Feeding (straightening, chamfering) → stamping forming → removing the belt → selecting the material head → soft cold outer diameter → soft end face → external treatment → channeling oxide skin → rough grinding outer diameter → channeling soft spot → soft spot inspection →Hot cleaning and anti-rust → grinding end face → hot cleaning and anti-rust → fine grinding outer diameter → final grinding outer diameter → ultra-fine outer diameter → hot cleaning, dry cleaning → final inspection and sorting → oiled packaging. For the convenience of analysis, the manufacturing process can be divided into 6 stages: rough machining, soft grinding before heat treatment, heat treatment, hard grinding after heat treatment, finishing and quality inspection and selection.
◆ Vertical and horizontal optical meters
An optical meter is an optical measuring instrument used for comparative measurement, and there are two types: vertical and horizontal. The graduation value of the vertical optical meter is {{0}}.001mm, the measurement range is 0180mm, and the indication range is ±0.1mm. It is mainly used to verify the fifth and sixth equal blocks, the height dimension and parallelism, and the diameter of cylindrical and spherical workpieces. Thanks to the use of an adjustable table and internal measuring hook, the horizontal optical meter can also detect the internal dimensions of parts and the taper of cylindrical parts.
● Bearing Cage Material
According to the working environment of the cage, the basic properties of the material should have a small friction coefficient with the rolling element material, good wear resistance and processing performance. Stamping requires good plasticity and ductility, car-made cages require good cutting performance. Materials with high strength and toughness enable the cage to withstand certain loads and impacts, good elasticity and stiffness. Common cage materials are 08, 08F, 10, 10F, 15Mn, 20, 30, T8A, T10A.
● Why Choose Us
Shaanxi Gainhui Heavy Industries Co., Ltd. has complete quality management system and has passed ISO9001:2015 quality management system certification. At the same time, our company has also obtained corporate credit certification. Our company will strictly abide by the ISO9001:2015 quality management system, ensure the standardization of management work, and maintain the sustained, stable and healthy development of the company. With continuous innovation and development, our company provides high-quality products and professional services to customers around the world.
● About Us
Shaanxi Gainhui Heavy Industries Co., Ltd. is a professional bearing manufacturer and and distributor in china. Equipped with a professional large factory, we can supply competitive bearing products and OEM service to worldwide customers. With high quality, competitive price and great after-sale service of single row tapered roller bearings, welcome to contact us in time.
Because we are focused, we are professional.
● Packing Methods
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Tube Package | Single Box Package | Pallet Package |
● Delivery Methods
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By Express | By Sea | By Air |
● Technical Parameters
Bearing designation | ISO 355 | Dimensions (mm) | Basic dynamic load rating | Basic static load rating | Computing coefficients | Fatigue load limit | Limiting speed | Reference speed | Mass | |||||||||||||||||||
d | D | B | C | T | r1, r2 | r3, r4 | a | d1 | da | db | Da | Da | Db | Ca | Cb | ra | rb | Cr | Cor | e | Y1 | Y0 | Cur | nG | nB | m | ||
min. | min. | ≈ | ≈ | max. | min. | min. | max. | min. | min. | min. | max. | max. | N | N | N | min–1 | min–1 | ≈kg | ||||||||||
30202-A | – | 15 | 35 | 11 | 10 | 11.75 | 0.6 | 0.6 | 8 | 26.4 | 20 | 19 | 29 | 29 | 32 | 2 | 1.5 | 0.6 | 0.6 | 14 700 | 14 100 | 0.35 | 1.73 | 0.95 | 1 320 | 23 800 | 13 500 | 0.054 |
30302-A | T2FB015 | 15 | 42 | 13 | 11 | 14.25 | 1 | 1 | 10 | 28.2 | 22 | 21 | 36 | 36 | 38 | 2 | 3 | 1 | 1 | 23 000 | 20 500 | 0.29 | 2.11 | 1.16 | 2 110 | 21 000 | 12 500 | 0.096 |
30203-A | T2DB017 | 17 | 40 | 12 | 11 | 13.25 | 1 | 1 | 10 | 29.1 | 23 | 23 | 34 | 34 | 37 | 2 | 2 | 1 | 1 | 18 500 | 17 800 | 0.35 | 1.74 | 0.96 | 1 890 | 21 000 | 12 100 | 0.056 |
32203-A | T2DD017 | 17 | 40 | 16 | 14 | 17.25 | 1 | 1 | 11 | 28.7 | 22 | 23 | 34 | 34 | 37 | 3 | 3 | 1 | 1 | 28 500 | 29 000 | 0.31 | 1.92 | 1.06 | 3 000 | 21 000 | 10 800 | 0.105 |
30303-A | T2FB017 | 17 | 47 | 14 | 12 | 15.25 | 1 | 1 | 11 | 31.6 | 25 | 23 | 40 | 41 | 42 | 2 | 3 | 1 | 1 | 27 500 | 24 500 | 0.29 | 2.11 | 1.16 | 2 600 | 18 200 | 12 400 | 0.129 |
32303-A | T2FD017 | 17 | 47 | 19 | 16 | 20.25 | 1 | 1 | 12 | 31.5 | 24 | 23 | 39 | 41 | 43 | 3 | 4 | 1 | 1 | 36 000 | 35 000 | 0.29 | 2.11 | 1.16 | 4 050 | 18 200 | 11 500 | 0.18 |
32004-X | T3CC020 | 20 | 42 | 15 | 12 | 15 | 0.6 | 0.6 | 10 | 33 | 25 | 25 | 36 | 37 | 39 | 3 | 3 | 0.6 | 0.6 | 24 000 | 28 500 | 0.37 | 1.6 | 0.88 | 3 000 | 18 200 | 10 900 | 0.108 |
30204-A | T2DB020 | 20 | 47 | 14 | 12 | 15.25 | 1 | 1 | 11 | 34.5 | 27 | 26 | 40 | 41 | 43 | 2 | 3 | 1 | 1 | 27 000 | 27 000 | 0.35 | 1.74 | 0.96 | 2 900 | 16 800 | 10 500 | 0.092 |
30304-A | T2FB020 | 20 | 52 | 15 | 13 | 16.25 | 1.5 | 1.5 | 11 | 36.1 | 28 | 27 | 44 | 45 | 47 | 2 | 3 | 1.5 | 1.5 | 34 000 | 32 500 | 0.3 | 2 | 1.1 | 3 600 | 15 400 | 9 800 | 0.188 |
32304-A | T2FD020 | 20 | 52 | 21 | 18 | 22.25 | 1.5 | 1.5 | 14 | 35.3 | 27 | 27 | 43 | 45 | 47 | 3 | 4 | 1.5 | 1.5 | 46 000 | 47 500 | 0.3 | 2 | 1.1 | 5 600 | 15 400 | 9 300 | 0.241 |
32005-X | T4CC025 | 25 | 47 | 15 | 11.5 | 15 | 0.6 | 0.6 | 12 | 38 | 30 | 30 | 40 | 42 | 44 | 3 | 3.5 | 0.6 | 0.6 | 26 500 | 33 500 | 0.43 | 1.39 | 0.77 | 3 600 | 15 400 | 9 200 | 0.12 |
33005 | – | 25 | 47 | 17 | 14 | 17 | 0.6 | 0.6 | 11 | 36.8 | 30 | 30 | 41 | 42 | 44 | 3 | 3 | 0.6 | 0.6 | 33 000 | 41 500 | 0.29 | 2.07 | 1.14 | 4 650 | 15 400 | 9 400 | 0.139 |
30205-A | T3CC025 | 25 | 52 | 15 | 13 | 16.25 | 1 | 1 | 13 | 38.5 | 31 | 31 | 44 | 46 | 48 | 2 | 3 | 1 | 1 | 32 500 | 35 000 | 0.37 | 1.6 | 0.88 | 3 900 | 14 000 | 9 100 | 0.155 |
32205-A | T2CD025 | 25 | 52 | 18 | 16 | 19.25 | 1 | 1 | 14 | 40.2 | 31 | 31 | 44 | 46 | 48 | 3 | 3 | 1 | 1 | 40 000 | 44 500 | 0.36 | 1.67 | 0.92 | 5 100 | 14 000 | 8 100 | 0.186 |
33205 | T2DE025 | 25 | 52 | 22 | 18 | 22 | 1 | 1 | 14 | 39.6 | 30 | 31 | 43 | 46 | 49 | 4 | 4 | 1 | 1 | 48 500 | 58 000 | 0.35 | 1.71 | 0.94 | 6 900 | 14 000 | 8 200 | 0.214 |
31305-A | T7FB025 | 25 | 62 | 17 | 13 | 18.25 | 1.5 | 1.5 | 20 | 46.3 | 34 | 32 | 47 | 55 | 59 | 3 | 5 | 1.5 | 1.5 | 37 000 | 38 500 | 0.83 | 0.73 | 0.4 | 4 400 | 11 900 | 7 200 | 0.297 |
30305-A | T2FB025 | 25 | 62 | 17 | 15 | 18.25 | 1.5 | 1.5 | 13 | 42.3 | 34 | 32 | 54 | 55 | 57 | 2 | 3 | 1.5 | 1.5 | 47 000 | 45 500 | 0.3 | 2 | 1.1 | 5 100 | 12 600 | 8 200 | 0.289 |
32305-A | T2FD025 | 25 | 62 | 24 | 20 | 25.25 | 1.5 | 1.5 | 16 | 42.3 | 33 | 32 | 53 | 55 | 57 | 3 | 5 | 1.5 | 1.5 | 62 000 | 66 000 | 0.3 | 2 | 1.1 | 7 800 | 12 600 | 7 900 | 0.362 |
320/28-X | T4CC028 | 28 | 52 | 16 | 12 | 16 | 1 | 1 | 13 | 41 | 33 | 34 | 45 | 46 | 49 | 3 | 4 | 1 | 1 | 34 000 | 40 500 | 0.43 | 1.39 | 0.77 | 4 550 | 13 300 | 8 300 | 0.156 |
32006-X | T4CC030 | 30 | 55 | 17 | 13 | 17 | 1 | 1 | 14 | 44.1 | 35 | 36 | 48 | 49 | 52 | 3 | 4 | 1 | 1 | 38 500 | 46 500 | 0.43 | 1.39 | 0.77 | 5 300 | 12 600 | 7 900 | 0.195 |
30206-A | T3DB030 | 30 | 62 | 16 | 14 | 17.25 | 1 | 1 | 14 | 45.6 | 37 | 36 | 53 | 56 | 57 | 2 | 3 | 1 | 1 | 43 500 | 48 000 | 0.37 | 1.6 | 0.88 | 5 500 | 11 900 | 7 400 | 0.237 |
32206-A | T3DC030 | 30 | 62 | 20 | 17 | 21.25 | 1 | 1 | 16 | 45.9 | 37 | 36 | 52 | 56 | 59 | 3 | 4 | 1 | 1 | 53 000 | 62 000 | 0.37 | 1.6 | 0.88 | 7 400 | 11 900 | 6 700 | 0.274 |
33206 | T2DE030 | 30 | 62 | 25 | 19.5 | 25 | 1 | 1 | 16 | 46.1 | 36 | 36 | 53 | 56 | 59 | 5 | 5.5 | 1 | 1 | 65 000 | 77 000 | 0.34 | 1.76 | 0.97 | 9 400 | 11 200 | 7 100 | 0.394 |
31306-A | T7FB030 | 30 | 72 | 19 | 14 | 20.75 | 1.5 | 1.5 | 24 | 54 | 40 | 37 | 55 | 65 | 68 | 3 | 6.5 | 1.5 | 1.5 | 45 000 | 46 500 | 0.83 | 0.73 | 0.4 | 5 300 | 9 800 | 6 500 | 0.441 |
30306-A | T2FB030 | 30 | 72 | 19 | 16 | 20.75 | 1.5 | 1.5 | 15 | 49.3 | 40 | 37 | 62 | 65 | 66 | 3 | 4.5 | 1.5 | 1.5 | 60 000 | 61 000 | 0.31 | 1.9 | 1.05 | 6 900 | 10 500 | 7 200 | 0.445 |
32306-A | T2FD030 | 30 | 72 | 27 | 23 | 28.75 | 1.5 | 1.5 | 18 | 49.3 | 39 | 37 | 59 | 65 | 66 | 4 | 5.5 | 1.5 | 1.5 | 80 000 | 89 000 | 0.31 | 1.9 | 1.05 | 10 800 | 10 500 | 6 900 | 0.587 |
320/32-X | T4CC032 | 32 | 58 | 17 | 13 | 17 | 1 | 1 | 14 | 46.5 | 38 | 38 | 50 | 52 | 55 | 3 | 4 | 1 | 1 | 39 000 | 48 500 | 0.45 | 1.32 | 0.73 | 5 600 | 11 900 | 7 500 | 0.188 |
32007-X | T4CC035 | 35 | 62 | 18 | 14 | 18 | 1 | 1 | 15 | 50 | 40 | 41 | 54 | 56 | 59 | 4 | 4 | 1 | 1 | 45 500 | 57 000 | 0.45 | 1.32 | 0.73 | 6 700 | 11 200 | 6 900 | 0.257 |
30207-A | T3DB035 | 35 | 72 | 17 | 15 | 18.25 | 1.5 | 1.5 | 15 | 52.7 | 44 | 42 | 62 | 65 | 67 | 3 | 3 | 1.5 | 1.5 | 54 000 | 59 000 | 0.37 | 1.6 | 0.88 | 6 800 | 9 800 | 6 400 | 0.334 |
32207-A | T3DC035 | 35 | 72 | 23 | 19 | 24.25 | 1.5 | 1.5 | 18 | 53.9 | 43 | 42 | 61 | 65 | 67 | 3 | 5.5 | 1.5 | 1.5 | 71 000 | 84 000 | 0.37 | 1.6 | 0.88 | 10 200 | 9 800 | 6 000 | 0.482 |
33207 | T2DE035 | 35 | 72 | 28 | 22 | 28 | 1.5 | 1.5 | 18 | 53 | 42 | 42 | 61 | 65 | 68 | 5 | 6 | 1.5 | 1.5 | 86 000 | 105 000 | 0.35 | 1.7 | 0.93 | 12 800 | 9 800 | 6 200 | 0.585 |
31307-A | T7FB035 | 35 | 80 | 21 | 15 | 22.75 | 2 | 1.5 | 26 | 59.9 | 44 | 44 | 62 | 71 | 76 | 4 | 7.5 | 2 | 1.5 | 60 000 | 64 000 | 0.83 | 0.73 | 0.4 | 7 500 | 8 800 | 5 800 | 0.582 |
30307-A | T2FB035 | 35 | 80 | 21 | 18 | 22.75 | 2 | 1.5 | 16 | 55.2 | 45 | 44 | 70 | 71 | 74 | 3 | 4.5 | 2 | 1.5 | 73 000 | 75 000 | 0.31 | 1.9 | 1.05 | 8 600 | 9 400 | 6 600 | 0.573 |
32307-B | T5FE035 | 35 | 80 | 31 | 25 | 32.75 | 2 | 1.5 | 25 | 59.8 | 42 | 44 | 61 | 71 | 76 | 4 | 7.5 | 2 | 1.5 | 95 000 | 116 000 | 0.55 | 1.1 | 0.6 | 14 300 | 8 800 | 6 300 | 0.802 |
32307-A | T2FE035 | 35 | 80 | 31 | 25 | 32.75 | 2 | 1.5 | 20 | 55.2 | 44 | 44 | 66 | 71 | 74 | 4 | 7.5 | 2 | 1.5 | 100 000 | 113 000 | 0.31 | 1.9 | 1.05 | 13 500 | 9 400 | 6 400 | 0.741 |
32008-XA | T3CD040 | 40 | 68 | 19 | 14.5 | 19 | 1 | 1 | 15 | 55 | 46 | 46 | 60 | 62 | 65 | 4 | 4.5 | 1 | 1 | 53 000 | 71 000 | 0.38 | 1.58 | 0.87 | 8 300 | 9 800 | 6 200 | 0.312 |
33108 | T2CE040 | 40 | 75 | 26 | 20.5 | 26 | 1.5 | 1.5 | 18 | 58.7 | 47 | 47 | 65 | 68 | 71 | 4 | 5.5 | 1.5 | 1.5 | 79 000 | 103 000 | 0.36 | 1.69 | 0.93 | 12 800 | 8 800 | 5 500 | 0.541 |
30208-A | T3DB040 | 40 | 80 | 18 | 16 | 19.75 | 1.5 | 1.5 | 17 | 58.4 | 49 | 47 | 69 | 73 | 74 | 3 | 3.5 | 1.5 | 1.5 | 61 000 | 67 000 | 0.37 | 1.6 | 0.88 | 7 600 | 8 800 | 5 900 | 0.435 |
32208-A | T3DC040 | 40 | 80 | 23 | 19 | 24.75 | 1.5 | 1.5 | 19 | 59.2 | 48 | 47 | 68 | 73 | 75 | 3 | 5.5 | 1.5 | 1.5 | 79 000 | 93 000 | 0.37 | 1.6 | 0.88 | 11 200 | 8 800 | 5 300 | 0.551 |
33208 | T2DE040 | 40 | 80 | 32 | 25 | 32 | 1.5 | 1.5 | 21 | 60.1 | 47 | 47 | 67 | 73 | 76 | 5 | 7 | 1.5 | 1.5 | 105 000 | 134 000 | 0.36 | 1.68 | 0.92 | 16 600 | 8 400 | 5 700 | 0.741 |
T2EE040 | – | 40 | 85 | 32.5 | 28 | 33 | 2.5 | 2 | 22 | 61.9 | 48 | 51 | 70 | 75 | 80 | 6 | 5 | 2.5 | 2 | 114 000 | 139 000 | 0.34 | 1.74 | 0.96 | 17 000 | 8 400 | 5 600 | 0.881 |
31308-A | T7FB040 | 40 | 90 | 23 | 17 | 25.25 | 2 | 1.5 | 30 | 68.2 | 51 | 49 | 71 | 81 | 86 | 4 | 8 | 2 | 1.5 | 76 000 | 83 000 | 0.83 | 0.73 | 0.4 | 9 400 | 7 400 | 5 200 | 0.727 |
30308-A | T2FB040 | 40 | 90 | 23 | 20 | 25.25 | 2 | 1.5 | 20 | 63.3 | 52 | 49 | 77 | 81 | 82 | 3 | 5 | 2 | 1.5 | 91 000 | 102 000 | 0.35 | 1.74 | 0.96 | 11 900 | 7 800 | 5 800 | 0.812 |
32308-A | T2FD040 | 40 | 90 | 33 | 27 | 35.25 | 2 | 1.5 | 23 | 63.3 | 50 | 49 | 73 | 81 | 82 | 4 | 8 | 2 | 1.5 | 120 000 | 146 000 | 0.35 | 1.74 | 0.96 | 17 900 | 7 800 | 5 600 | 1.06 |
32308-B | – | 40 | 90 | 33 | 27 | 35.25 | 2 | 1.5 | 28 | 67 | 50 | 49 | 69 | 81 | 85 | 4 | 8 | 2 | 1.5 | 120 000 | 149 000 | 0.55 | 1.1 | 0.6 | 18 100 | 7 400 | 5 500 | 1.18 |
32009-XA | T3CC045 | 45 | 75 | 20 | 15.5 | 20 | 1 | 1 | 17 | 62 | 51 | 51 | 67 | 69 | 72 | 4 | 4.5 | 1 | 1 | 61 000 | 86 000 | 0.39 | 1.53 | 0.84 | 10 200 | 8 800 | 5 500 | 0.329 |
33109 | T3CE045 | 45 | 80 | 26 | 20.5 | 26 | 1.5 | 1.5 | 19 | 63.8 | 52 | 52 | 69 | 73 | 77 | 4 | 5.5 | 1.5 | 1.5 | 84 000 | 115 000 | 0.38 | 1.57 | 0.86 | 14 400 | 8 400 | 5 000 | 0.597 |
30209-A | T3DB045 | 45 | 85 | 19 | 16 | 20.75 | 1.5 | 1.5 | 18 | 64 | 54 | 52 | 74 | 78 | 80 | 3 | 4.5 | 1.5 | 1.5 | 70 000 | 82 000 | 0.4 | 1.48 | 0.81 | 9 600 | 7 800 | 5 400 | 0.47 |
32209-A | T3DC045 | 45 | 85 | 23 | 19 | 24.75 | 1.5 | 1.5 | 20 | 64.8 | 53 | 52 | 73 | 78 | 80 | 3 | 5.5 | 1.5 | 1.5 | 82 000 | 100 000 | 0.4 | 1.48 | 0.81 | 12 000 | 7 800 | 4 900 | 0.57 |
33209 | T3DE045 | 45 | 85 | 32 | 25 | 32 | 1.5 | 1.5 | 22 | 66.2 | 52 | 52 | 72 | 78 | 81 | 5 | 7 | 1.5 | 1.5 | 107 000 | 146 000 | 0.39 | 1.56 | 0.86 | 18 300 | 7 800 | 5 200 | 0.895 |
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ڈاؤن لوڈ، اتارنا ٹیگ: واحد قطار ٹاپرڈ رولر بیرنگ، چین، سپلائرز، مینوفیکچررز، فیکٹری، اپنی مرضی کے مطابق، تھوک، خرید، قیمت، تقسیم کار، کمپنی، برائے فروخت