Description of Tapered Roller Bearings
Tapered roller bearings are separable and have the following components: Outer ring, inner ring, and roller assembly (containing the rollers and a cage).
Metric tapered roller bearings follow the designation system defined by ISO 355.
In many applications tapered roller bearings are used in back-to-back pairs so that axial forces can be supported equally in either direction.
Pairs of tapered roller bearings are used in car and vehicle wheel bearings where they must cope simultaneously with large vertical (radial) and horizontal (axial) forces.
Industrial Applications for tapered roller bearings
Tapered Roller Bearings are commonly used for moderate speed, heavy duty applications where durability is required. Common real world applications are in agriculture, construction and mining equipment, axle systems, gear box, engine motors and reducers.
High quality tapered roller bearing
30302 30203 30303 32303 32004 30204 30304 32304 32005 30205
32205 33205 30305 32305 32006 30206 32206 33206 30306 31306
30206 KOYO 30310DJR 31321 32036 32238 32915 33016 33210JR
30206 30310JR 31321JR 32036JR KOYO 32238JR KOYO 32915JR KOYO 33016 KOYO 33211
30206JR 30311
31322 KOYO 32038 32240 KOYO 32916 KOYO 33016JR KOYO 33211
Bearing No. | Boundary dimensions | Basic load rating(kN) | Limiting speed | Mass | ||||||||
mm | Dynamic | Static | rpm | Kg | ||||||||
d | D | T | B | C | Rmin | rmin | Cr | Cor | Grease | Oil | ≈ | |
32004 | 20 | 42 | 15 | 15 | 12 | 0.6 | 0.6 | 27.3 | 31.5 | 9700 | 13000 | 0.96 |
32005 | 25 | 47 | 15 | 15 | 11.5 | 0.6 | 0.6 | 27 | 32.5 | 8000 | 11000 | 0.115 |
32006 | 30 | 55 | 17 | 17 | 13 | 1 | 1 | 35.8 | 44 | 6700 | 9000 | 0.172 |
32007 | 35 | 62 | 18 | 18 | 14 | 1 | 1 | 42.9 | 54 | 6000 | 8000 | 0.227 |
32008 | 40 | 68 | 19 | 19 | 14.5 | 1 | 1 | 52.8 | 71 | 5300 | 7000 | 0.77 |
32009 | 45 | 75 | 20 | 20 | 15.5 | 1 | 1 | 58 | 80 | 4800 | 6300 | 0.329 |
32010 | 50 | 80 | 20 | 20 | 15.5 | 1 | 1 | 60 | 88 | 4500 | 6000 | 0.365 |
32011 | 55 | 90 | 23 | 23 | 17.5 | 1.5 | 1.5 | 80 | 116 | 4000 | 5300 | 0.55 |
32012 | 60 | 95 | 23 | 23 | 17.5 | 1.5 | 1.5 | 82 | 122 | 3800 | 5000 | 0.586 |
32013 | 65 | 100 | 23 | 23 | 17.5 | 1.5 | 1.5 | 84 | 127 | 3400 | 4500 | 0.627 |
32014 | 70 | 110 | 25 | 25 | 19 | 1.5 | 1.5 | 101 | 153 | 3200 | 4300 | 0.842 |
32015 | 75 | 115 | 25 | 25 | 19 | 1.5 | 1.5 | 106 | 163 | 3000 | 4000 | 0.887 |
32016 | 80 | 125 | 29 | 29 | 22 | 1.5 | 1.5 | 138 | 216 | 2600 | 3600 | 1.27 |
32017 | 85 | 130 | 29 | 29 | 22 | 1.5 | 1.5 | 140 | 224 | 2400 | 3400 | 1.33 |
32018 | 90 | 140 | 32 | 32 | 24 | 2 | 1.5 | 168 | 270 | 2200 | 3200 | 1.73 |
32019 | 95 | 145 | 32 | 32 | 24 | 2 | 1.5 | 168 | 270 | 2200 | 3200 | 1.8 |
32020 | 100 | 150 | 32 | 32 | 24 | 2 | 1.5 | 172 | 280 | 2000 | 3000 | 1.87 |
32021 | 105 | 160 | 35 | 35 | 26 | 2.5 | 2 | 201 | 335 | 1900 | 2800 | 2.38 |
32022 | 110 | 170 | 38 | 38 | 29 | 2.5 | 2 | 233 | 390 | 1800 | 2600 | 3.05 |
32024 | 120 | 180 | 38 | 38 | 29 | 2.5 | 2 | 242 | 415 | 1800 | 2600 | 3.2 |
32026 | 130 | 200 | 45 | 45 | 34 | 2.5 | 2 | 314 | 540 | 1600 | 2200 | 4.86 |
32028 | 140 | 210 | 45 | 45 | 34 | 2.5 | 2 | 330 | 585 | 1600 | 2200 | 5.19 |
32030 | 150 | 225 | 48 | 48 | 36 | 3 | 2.5 | 369 | 655 | 1500 | 2000 | 6.33 |
32032 | 160 | 240 | 51 | 51 | 38 | 3 | 2.5 | 429 | 780 | 1300 | 1800 | 7.53 |
32034 | 170 | 260 | 57 | 57 | 43 | 3 | 2.5 | 512 | 915 | 1100 | 1600 | 10.6 |
32036 | 180 | 280 | 64 | 64 | 48 | 3 | 2.5 | 644 | 1160 | 1100 | 1600 | 14.5 |
32038 | 190 | 290 | 64 | 64 | 48 | 3 | 2.5 | 660 | 1200 | 1000 | 1500 | 15 |
32040 | 200 | 310 | 70 | 70 | 53 | 3 | 2.5 | 748 | 1370 | 950 | 1400 | 19.5 |
32044 | 220 | 340 | 76 | 76 | 57 | 4 | 3 | 897 | 1660 | 900 | 1300 | 25.5 |
32048 | 240 | 360 | 76 | 76 | 57 | 4 | 3 | 935 | 1800 | 850 | 1200 | 27.5 |
