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Model: Double Row Taper Roller Bearing
Brand: MBY
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Double Row Taper Roller Bearing

Product Description
MBY® tapered roller bearings are produced by MBY® in many designs and sizes to match their many uses.These can be grouped as follows
single row tapered roller bearings (metric size)
single row tapered roller bearings (inch size)
double row tapered roller bearings
Design Features
Tapered roller bearings are designed to take the combination of radial and axial load.
Tapered roller bearings are available in both inch size and metric size.
Tapered roller bearings have separable outer ring and inner ring assembly, interchangeable, easy to fit and maintenance.
MBY® precision tapered roller bearings are designed to reach V1 grade noise level, which make the quieter running of automobile engine and gearbox.

MBY® tapered roller bearings have tapered inner and outer ring raceways between which tapered rollers are arranged. The projection lines of all the tapered surfaces meet at a common point on the bearing axis. Their design makes tapered roller bearings particularly suitable for the accommodation of combined (radial and axial) loads. The axial load carrying capacity of the bearings is largely determined by the contact angle ; the larger contact angle the greater axial load carrying capacity .
Tapered roller bearings are generally separable, i.e. the cone, consisting of the inner ring with roller and cage assembly, can be mounted separately from the cup (outer ring).
MBY® tapered roller bearings have the logarithmic contact profile that provides optimum stress distribution over the roller/raceway contacts. The special design of the sliding surfaces of the guide flange and large roller ends considerably promote lubricant film formation in the roller end/flange contacts. The resulting benefits include increased operational reliability and reduced sensitivity to misalignment.
MBY® Tapered Roller Bearings have tapered inner and outer ring racesways between which tapered rollers are arranged.Both of which have single and double row structures.With the higher precision than P5 standard, they have high dimension and running accurancy accordingly. Tapered roller bearings with high speed and long lifespan are always used in Automobile, Gearbox, Main shaft of machine tool, Construction machineries, Rolling mill equipment.
Cages
MBY® tapered roller bearings are fitted with one of the following cages.
- A pressed window-type steel cage, roller centred.
- An injection moulded window-type cage of glass fibre reinforced polyamide 6, 6, roler centred.
- A steel pin-type cage

MBY® Double row tapered roller bearings can carry heavy loads and are stiff. They are suitable for the accommodation of combined (radial and axial) loads and can locate a shaft axially in both directions with a given axial clearance or a given preload. Their main use is in gearboxes, hoisting equipment, rolling mills and machines used in the mining industry, e.g. tunnelling machines.

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Boundary Dimensions   Basic Load Rating  Limiting Speed(rpm) Bearing Designation Other dimension Calculate coefficient Mass
(mm) (K N ) Grease Oil (kg)
d D T r34min r5min Cr Cor da(max) Da(min) Da(max) Ca(min) ra(max) rb(max) e Y1 Y2 Y0 Approx
90 160 65 2 0.6 336 490 1700 2400 30218/DF 104 140 150 5 2 0.4 0.43 1.6 2.3 1.6 5.15
100 180 74 2.5 1 418 640 1600 2200 30220/DF 116 157 168 5 2 0.8 0.43 1.6 2.3 1.6 7.7
120 215 87 2.5 1 583 915 1300 1800 30224/DF 141 187 203 6 2 0.8 0.43 1.6 2.3 1.6 13
150 270 98 3 1 737 1120 900 1300 30230/DF 175 234 256 9 2.5 0.8 0.43 1.6 2.3 1.6 22.5
25 62 36.5 1.5 0.6 64.4 80 4500 6000 31305/DF 34 47 55 3 1.5 0.4 0.83 0.81 1.2 0.8 0.55
30 72 41.5 1.5 0.6 80.9 100 4000 5300 31306/DF 40 55 65 3 1.5 0.4 0.83 0.81 1.2 0.8 0.85
35 80 45.5 1.5 0.6 105 134 3400 4500 31307/DF 45 62 71 3 1.5 0.4 0.83 0.81 1.2 0.8 1.1
40 90 50.5 1.5 0.6 128 163 3000 4000 31308/DF 53 77 81 3 1.5 0.4 0.83 0.81 1.2 0.8 1.5
45 100 54.5 1.5 0.6 157 204 2600 3600 31309/DF 57 79 91 4 1.5 0.4 0.83 0.81 1.2 0.8 2
50 110 58.5 2 0.6 183 240 2400 3400 31310/DF 62 87 100 4 2 0.4 0.83 0.81 1.2 0.8 2.6
55 120 63 2 0.6 209 275 2000 3000 31311/DF 68 94 110 4 2 0.4 0.83 0.81 1.2 0.8 3.3
60 130 67 2.5 1 246 335 1900 2800 31312/DF 74 103 118 5 2 0.8 0.83 0.81 1.2 0.8 4.1
65 140 72 2.5 1 281 380 1800 2600 31313/DF 80 111 128 5 2 0.8 0.83 0.81 1.2 0.8 5.05
70 150 76 2.5 1 319 440 1700 2400 31314/DF 85 118 138 5 2 0.8 0.83 0.81 1.2 0.8 6.15
75 160 80 2.5 1 358 490 1600 2200 31315/DF 91 127 148 6 2 0.8 0.83 0.81 1.2 0.8 7.25
80 170 85 2.5 1 380 530 1600 2200 31316/DF 97 134 158 6 2 0.8 0.83 0.81 1.2 0.8 8.75
85 180 89 3 1 413 570 1500 2000 31317/DF 103 143 166 6 2.5 0.8 0.83 0.81 1.2 0.8 10
90 190 93 3 1 457 630 1400 1900 31318/DF 109 151 176 5 2.5 0.8 0.83 0.81 1.2 0.8 11.5
95 200 99 3 1 501 710 1300 1800 31319/DF 114 157 186 5 2.5 0.8 0.83 0.81 1.2 0.8 13
100 215 113 3 1 644 930 1200 1700 31320X/DF 121 168 201 7 2.5 0.8 0.83 0.81 1.2 0.8 18
110 240 126 3 1 781 1160 1000 1500 31322X/DF 135 188 226 7 2.5 0.8 0.83 0.81 1.2 0.8 26
120 260 136 3 1 935 1400 950 1400 31324X/DF 145 203 246 9 2.5 0.8 0.83 0.81 1.2 0.8 38.5
130 280 144 4 1.5 1050 1560 900 1300 31326X/DF 157 218 262 8 3 1 0.83 0.81 1.2 0.8 40
140 300 154 4 1.5 1190 1800 850 1200 31328X/DF 169 235 282 9 3 1 0.83 0.81 1.2 0.8 52.5
150 320 164 4 1.5 1340 2040 800 1100 31330X/DF 181 251 302 9 3 1 0.83 0.81 1.2 0.8 58.5
70 110 50 1.5 0.6 172 305 2400 3400 32014X/DF 78 98 103 5 1.5 0.4 0.43 1.6 2.3 1.6 1.8
85 130 58 1.5 0.6 238 450 1900 2800 32017X/DF 94 117 123 6 1.5 0.4 0.44 1.5 2.3 1.6 2.8
90 140 64 1.5 0.6 292 540 1800 2600 32018/DF 100 125 131 6 1.5 0.4 0.43 1.6 2.3 1.6 3.65
100 150 64 1.5 0.6 292 560 1700 2400 32020X/DF 110 134 141 6 1.5 0.4 0.46 1.5 2.2 1.4 3.95
110 170 76 2 0.6 402 780 1600 2200 32022X/DF 123 152 160 7 2 0.4 0.43 1.6 2.3 1.6 6.3
120 180 76 2 0.6 418 830 1300 1800 32024X/DF 132 161 170 7 2 0.4 0.46 1.5 2.2 1.4 10
130 200 90 2 0.6 530 1080 1300 1800 32026X/DF 144 178 190 7 2 0.4 0.43 1.6 2.3 1.6 10
140 210 90 2 0.6 561 1160 1200 1700 32028X/DF 153 187 200 7 2 0.4 0.46 1.5 2.2 1.4 11
150 225 96 2.5 1 644 1320 1100 1600 32030X/DF 164 200 213 8 2 0.8 0.46 1.5 2.2 1.4 13.3
160 240 102 2.5 1 737 1560 1000 1500 32032X/DF 175 213 228 8 2 0.8 0.46 1.5 2.2 1.4 16
180 220 128 2.5 1 1100 2320 900 1300 32036X/DF 199 247 268 10 2 0.8 0.43 1.6 2.3 1.6 29.5
190 290 128 2.5 1 1060 2400 850 1200 32038X/DF 210 257 278 10 2 0.8 0.44 1.5 2.3 1.6 30.5
200 310 140 2.5 1 1280 2750 800 1100 32040X/DF 222 273 298 11 2 0.8 0.43 1.6 2.3 1.6 47.5
220 340 152 3 1 1540 3350 750 1000 32044X/DF 244 300 326 12 2.5 0.8 0.43 1.6 2.3 1.6 53
240 360 152 3 1 1570 3550 700 950 32048X/DF 262 318 346 12 2.5 0.8 0.46 1.5 2.2 1.4 54.5
280 420 174 4 1.5 2050 4750 600 800 32056X/DF 305 370 402 14 3 1 0.46 1.5 2.2 1.4 84.5
80 140 70.5 2 0.6 319 490 1900 2800 32216/DF 91 122 130 5 2 0.4 0.43 1.6 2.3 1.6 5.8
85 150 77 2 0.6 369 570 1800 2600 32217/DF 97 130 140 5 2 0.4 0.43 1.6 2.3 1.6 5.2
90 160 85 2 0.6 429 680 1700 2400 32218/DF 102 138 150 5 2 0.4 0.43 1.6 2.3 1.6 6.9
100 180 98 2.5 1 539 880 1600 2200 32220/DF 115 154 168 5 2 0.8 0.43 1.6 2.3 1.6 10
110 200 112 2.5 1 682 1140 1400 1900 32222/DF 127 170 188 6 2 0.8 0.43 1.6 2.3 1.6 14.5
120 215 123 2.5 1 792 1400 1300 1800 32224/DF 137 181 203 7 2 0.8 0.43 1.6 2.3 1.6 19
130 230 135.5 3 1 952 1660 1100 1600 32226/DF 146 193 216 7 2.5 0.8 0.43 1.8 2.3 1.6 25.5
140 250 143.5 3 1 1100 2000 1000 1500 32228/DF 159 210 236 8 2.5 0.8 0.43 1.6 2.3 1.6 32.5
150 270 154 3 1 1250 2280 900 1300 32230/DF 171 226 256 8 2.5 0.8 0.43 1.6 2.3 1.6 37
180 320 182 4 1.1 1720 3250 800 1100 32236/DF 204 267 302 10 3 1 0.46 1.5 2.2 1.4 61


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