Tapered Rollers

Customized Roller Produced large-scale high-end tapered rollers
The size range is φ20～φ120mm, The accuracy of the roller can reach the national standard level 1, and the deviation of the convex value of each measuring point is controlled within ±0.001mm

Category:

The self-produced large-scale high-end tapered rollers and cylindrical rollers have an accuracy of level 1 of the national standard; the size range is φ20～φ120mm, the cylindrical and tapered roller bus bars have realized logarithmic curves, and the deviation of the crown value of each measurement point is controlled within ±0.001mm Within, it can be used under various severe working conditions. Such as wind power main shaft bearings, high-end rolling mill bearings and other fields; the SR deviation of the spherical base surface can be controlled within 3%, which accurately guarantees the formation of sufficient hydrodynamic lubrication conditions between the rollers and the bearing ribs, which is useful for prolonging the service life of the bearings. Improved reliability; the hollow roller wall thickness difference can be controlled within 0.03mm, which greatly increases the smoothness of the roller; the tapered roller with a diameter of φ105mm, the end face runout is within 0.006mm, which is much higher than the current national standard GB /T25767-2010 Grade 0 standard;

Accuracy Grade

Tapered Roller Accuracy Grade     Unit:μm
Roller Grade Dw/mm Geometrical tolerance Deviation of Angle of taper Deviation of roller gauge lot diameter Surface Roughness/Ra
VDwsp ΔRw SDw Δ2φ VDwL Δ2φL Cone surface Spherical substrate Other surfaces
Over To max High Low max max
Ⅰ 10 18 0.5 2.5 +1.0 -1.0 1.5 1.0 0.08 0.125 1.25
18 30 0.8 3.0 +1.5 -1.5 2.0 1.5
30 50 1.2 4.0 +2.0 -2.0 2.5 2.0 0.125 0.16
Ⅱ 10 18 1.2 4.0 +2.0 -2.0 2.5 2.0 0.125 0.16 2.5
18 30 1.5 5.0 +2.5 -2.5 3.0 2.5
30 160 2.0 6.0 +3.0 -3.0 3.5 3.0 0.16 0.20

Overall Dimension

Tapered Roller Overall Dimension
Dw Lw φ Dw Lw φ Dw Lw φ Dw Lw φ Dw Lw φ
Unit:μm
11.4 16 45′ 22.54 43.1 58′ 29.7 48 1°6′ 38.4 45.18 1°5′ 51 59 1°20′
11.66 21.76 1°16′ 22.6 32 2°47′ 29.8 52.5 1°32′ 38.4 72 1°24′ 51 66 1°35′
12.07 16 1°21′ 22.8 42 55′ 29.9 48 1° 38.7 70.74 1°25′ 51.58 57.2 2°
12.39 26.3 1°45′ 22.9 36 3°30′ 30.1 35.18 1°20′ 38.8 62 1°7′ 51.582 89.2 2°
13.436 23.5 45′ 23 40 1°54′ 30.2 56 1°50′ 39 62 46′40″ 51.7 60 50′
13.5 25 1° 23 53 1° 30.4 35.19 1°25′ 39.1 42.22 1°17′ 51.8 69 50′
13.7 16.27 1°12′ 23.37 45 1° 30.55 54.11 48′ 39.3 63.76 1°30′ 52 66 1°8′
13.8 28 55′ 23.579 53.2 1°10′ 30.6 53.11 50′ 39.42 71 43′ 52.4 82 1°25′
14 24.07 1°13′ 23.92 32.14 1°20′ 30.7 57 50′ 40.8 53 3°30′ 52.6 53 3°
14.35 27.06 56′ 23.96 27.5 53′40″ 30.8 60.3 55′ 41 65 1°55′ 52.8 78.3 2°30′
14.46 28 1° 24 38.18 1°41′ 30.96 62 55′ 41 78 1°10′ 52.85 85 50′
14.5 28 1°30′ 24.05 40 1°7′ 31 57.5 1° 41.6 66.5 1°18′ 52.89 64.23 1°
14.53 25.2 45′ 24.08 53 1°5′ 31 70 50′ 41.9 50.4 1°40′ 52.9 98.5 0°58′
14.88 30 50′ 24.1 34 1°10′ 31.1 53.2 1°15′ 41.91 65 1°10′ 53.6 75 1°10′
14.9 24 1°10′ 24.1 36.5 45′ 31.2 36 1°20′ 42.1 76.17 0°57′ 53.7 69 1°
14.9 30 50′ 24.1 42.5 1° 31.3 56 57′ 42.2 59 1°3′ 53.8 107.2 56′50″
15.2 25 1° 24.24 51.02 50′ 31.42 41 1° 42.4 75 1° 54 58 1°5′
15.3 32 55′ 24.25 54 52′ 31.5 58 1°5′ 42.5 60 52′50″ 54 66 2°31′
15.368 21 1°10′ 24.5 44 1°5′ 31.62 34 1°45′ 42.7 75.2 47′24″ 54 96.2 1°50′
15.5 32.07 1° 24.74 47.5 1°10′ 31.7 56.5 2° 42.8 57.2 3°45′ 55 76 34′55″
15.547 32.9 1°8′ 24.8 46 50′ 31.8 56.5 58′ 43 54 57′ 55.3 100 1°31′
15.7 32.5 1° 24.96 46 1°35′ 31.96 53 1°15′ 43.1 59 58′ 56 75 1°1′
15.8 33 1°5′ 25 31.11 1°3′ 32 36 1°15′ 43.2 49.75 1°18′ 56 86 1°
16 34 1°5′ 25 41.5 1°2′ 32 54 1°17′ 43.3 50 1°5′ 56.3 65.5 2°30′
16.15 35 1°5′ 25 42 1° 32.1 39.15 1°5′ 43.6 110 45′ 57.6 64 2°43′
16.67 16.8 3°30′ 25 42.5 1° 32.2 48 1°12′ 43.8 54 2°40′ 57.8 70 1°5′
17 31.09 1°10′ 25 43.2 45′ 32.47 65 53′ 44 65 48′ 58.2 75 1°3′
17 32.5 55′ 25 43.5 1° 32.8 43.5 1°6′ 44 92 1°15′37″ 58.4 122 1°37′
17.08 28 55′ 25 47 45′ 32.8 60.3 50′ 44.3 63.14 43′ 58.5 62 2°35′
17.22 31.08 1°5′ 25.15 45.61 1°2′ 32.9 41 43′ 44.5 73.5 45″ 59.3 89.56 2°10′
17.5 31 1°10′ 25.2 44.12 1°7′ 33 42.5 1°19′30″ 44.6 54 1° 59.4 68.79 1°8′
17.5 40 53′ 25.33 50 0°51′ 33 78 7°45′ 44.6 60 1° 59.9 114.3 46′35″
17.65 35 1°5′ 25.4 30.19 1°45′ 33.15 65.5 50′ 44.6 80 55′ 60 90.22 0°51′
17.7 35 1°5′ 25.5 45 1°5′ 33.15 70.12 50′ 44.6 100 1°16′ 60.2 101.36 1°22′
17.72 36.5 55′ 25.6 45 1°25′ 33.15 45.09 1°19′ 44.7 49 43′12″ 60.3 74 1°45′
17.9 30.5 45′ 25.6 48 55′ 33.419 52.5 45′ 44.7 81 1°6′ 60.8 74.02 1°57′
18 31 1°6′ 25.62 42.87 1°30′ 33.6 59.5 1° 44.9 65 0°48′ 61 95.47 1°45′
18.1 31 42′ 25.7 50.1 56′ 34 41 45′ 45 65.737 3°45′ 61 112 58′
18.1 41 0°50′ 25.8 45.12 1°2′ 34 51.38 9°17′ 45 81.18 0°55′ 61.7 82 1°20′
18.2 30 1°15′ 25.8 70 1° 34 78 1°15′ 45.1 77.5 2° 62.2 109 1°
18.2 38 56′30″ 26 50 1°6′ 34.1 68 55′ 45.2 62 1°22′ 62.5 118 7°10′
18.3 32 1°15′ 26 52 56′ 34.21 78.5 36′ 45.5 52.8 1°25′ 63 70 1°49′
18.36 42 30′ 26 52.11 0°56′ 34.3 38.37 2°20′ 45.75 68 1°30′ 63.8 106.48 1°44′
18.4 30 1°10′ 26 56 46′20″ 34.5 42 1°20′ 45.9 69 58′ 63.9 75 1°20′
18.45 38 50′ 26.024 52 51′ 34.6 60 1°1′ 46 64 45′ 64.52 120 59′
18.6 36.09 1°5′ 26.08 54.1 0°51′ 34.782 65.6 1° 46 100 1°18′ 64.9 78.5 1°45′
19.03 36 1°6′ 26.1 49 46′ 34.8 70.2 1°20′ 46.2 49.3 1°29′ 65.1 97 1°20′
19.1 41 45′ 26.347 52.5 55′ 34.86 65 45′ 46.2 66 1°55′ 65.5 68.36 1°15′
19.18 19 2°10′ 26.35 45 1°5′ 34.9 45 1°25′ 46.4 70 1°14′ 65.9 80 1°15′
19.4 26 1°26′ 26.4 33 1°50′ 34.9 59 1°30′ 46.5 52 4° 66 83.7 10°13′
19.5 46.5 1°15′ 26.56 45 55′ 35 57 56′ 46.5 88 57′ 67.059 94 1°10′
19.65 41.77 47′ 26.7 46 47′ 35 60 1° 46.6 60 45′ 68.6 68.6 1°15′
20 32 1°9′ 26.8 34.59 0°48′ 35 64.5 1°25′ 46.8 89.5 46′30″ 68.8 92.58 1°55′
20 41.06 0°44′ 27 39 1°20′ 35.1 44 1°30′ 46.8 98 50′ 69.7 88 3.24°
20.05 36 1°5′ 27.1 49 49′ 35.2 60 50′ 46.962 65 7° 69.89 89.3 1°32′
20.1 24.61 1°17′ 27.2 49.13 1°4′ 35.4 42 1°10′ 47 60 1°30′ 70.1 103 1°46′
20.1 35.1 1°10′ 27.5 48 1°30′ 35.4 76 0°45′ 47.1 89.5 44′5″ 71.2 124.31 59°
20.11 20 3°30′ 27.5 53 1°20′ 35.5 67 57′ 47.15 52 1°55′ 72 78 2°40′
20.15 25 56′ 27.55 56 1° 35.6 56.4 1° 47.4 68.16 46′ 72.8 70.59 1°30′
20.4 33 48′ 27.7 51 1°5′ 35.7 41.16 1°1′ 47.6 48.46 2°12′ 73.2 71.3 2°15′
20.5 21 3°52′ 27.8 40.114 6°42′ 35.7 55.17 1°6′ 47.8 66.1 0°3′ 75 88.3 1°43′
20.52 35 1° 27.97 31.93 1°30′ 35.75 45 1°10′ 47.963 87 0°48′ 76.1 123.35 1°3′
20.55 46.08 51′ 28 32.632 5°10′ 35.8 44 1°12′ 48 60 1°15′ 76.4 80.58 1°45′
20.65 35 50′ 28 46 1°15′ 35.86 69 1°50′ 48 90.19 0°55′ 76.5 177.76 8°15′
20.67 32 1° 28 50 1°30′ 36.3 49.19 1°12′ 48.3 104 1°16′ 77 92 1°45′
20.7 35 1°15′ 28.05 38 1°18′ 36.4 59 45′ 48.4 65 1°5′ 77.1 95.5 1°30′
20.8 35 1°25′ 28.35 54.13 1°5′ 36.4 62 1°15′ 48.6 51.19 55′ 77.9 110 1°5′
21.1 48 1°15′ 28.5 30 4°18′ 36.5 72.3 1° 48.6 72 1°10′ 79.3 87 2°10′
21.22 35 50′ 28.5 34 5°24′ 36.65 67.5 1°42′ 48.82 56 47′ 80 108.5 1°45′
21.34 26.1 1°14′40″ 28.6 62.1 46′ 37 67 1° 48.96 88 1° 82.7 86.5 1°40′
21.45 24 1°45′ 28.68 65.1 46′ 37.15 42 1°15′ 49 65 1°30′ 83 86.5 1°40′
21.8 43 35′ 28.7 60 50′ 37.36 37.5 1° 49.3 59 1°13′ 85 95 1°10′
22 33.9 0°50′ 28.885 31 2° 37.45 46.66 1° 49.486 58.73 1°50′ 86.5 140 6°30′
22.05 50 55′ 28.91 30.25 2° 37.6 50 1°20′ 49.5 73 1°45′ 88 110 1°30′
22.125 42.5 55′10″ 29 32 1°10′ 37.9 50 1° 49.7 95.71 56′50″ 93.5 120 1°31′
22.202 44.21 55′ 29.1 44.7 1°33′ 38.05 74.62 42′ 49.8 52 48′ 93.6 124 1°5′
22.24 30.5 30′ 29.2 54 1° 38.1 65 1°15′ 50 57.14 2°57′ 99.3 125.69 1°35′
22.25 28.13 1°20′ 29.3 39 1°15′ 38.1 74.62 42′ 50.4 97 1°25′ 102.5 113.3 1°12′
22.35 41.08 51′ 29.4 50 1° 38.2 78 56′33″ 50.5 55.8 1°15′ 103.15 140 1°18′
22.4 26.7 30′20″ 29.5 30 1°27′ 38.3 47 1°27′ 50.8 71.1 29′48″ 105.71 170.2 1°55′
22.45 41 52′30″ 29.6 45 1°10′ 38.3 69.14 50′ 50.9 66 1°18′ 133.83 154.2 1°2′
In addition to the above specifications products, our company can customize the diameter φ11mm – φ200mm, length≤250mm roller, consult STM technical department for details.

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