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Single Row Taper Roller Bearings
Single Row Taper Roller Bearings Strucutre:
Single row taper roller bearings are consist of four parts: inner ring, outer ring, single row rolling element (rolller)and cage.
The function of the inner ring is to cooperate with the shaft and rotate with the shaft.
Meanwhile, the function of the outer ring is to cooperate with the bearing seat and play a supporting role.
Single row taper roller bearings are separable bearings, the inner ring (including tapered roller and cage) and outer ring can be installed separately.
Single Row Taper Roller Bearings Advantages:
1. Low friction resistance, flexible starting, and high efficiency (n=0.98~0.99)
2. Bearing capacity per unit width is strong
3. The consumption of non-ferrous metals is greatly reduced
4. Easy to replace, lubricate and maintain
Disadvantages:
1. The contact stress is high, the impact resistance is poor, and the service life is low under high-speed and heavy load.
Single row taper roller bearings are not suitable for high-speed occasions with impact and instantaneous overload.
2. Compared with double-row bearings and multi-row bearings, its load-bearing capacity is small.
As a result, single wo bearings can’t bear bi-directional axial load at the same time of forward load.
3. Low vibration damping capacity.
Single Row Taper Roller Bearing Size Chart:
Single row taper roller bearings include metric size and imperial size.
Below are size charts for common bearing models of metric size and imperial size single row taper roller bearings.
(1) Metric single row taper roller bearing size chart
| Model Number | Specifications(dxDxB) | Weight/kg |
| 30202 | 15×35×12 | 0.050 |
| 30203 | 17×40×13.25 | 0.078 |
| 30204 | 20×47×15.25 | 0.120 |
| 30205 | 25×52×16.25 | 0.144 |
| 30206 | 30×62×17.25 | 0.232 |
| 30207 | 35×72×18.25 | 0.318 |
| 30208 | 40×80×19.75 | 0.400 |
| 30209 | 45×85×20.75 | 0.442 |
| 30210 | 50×90×21.75 | 0.520 |
| 30211 | 55×100×22.75 | 0.705 |
| 30212 | 60×110×23.75 | 0.886 |
| 30213 | 65×120×24.75 | 1.160 |
| 30214 | 70×125×26.25 | 1.250 |
| 30214/T | 70×125×26.25 | 1.290 |
| 30215 | 75×130×27.25 | 1.340 |
| 30302 | 15×47×15.25 | 0.096 |
| 30303 | 17×47×14 | 0.130 |
| 30304 | 20×52×16.25 | 0.168 |
| 30305 | 25×62×18.25 | 0.259 |
| 30306 | 30×72×20.75 | 0.390 |
| 30307 | 35×80×22.75 | 0.522 |
| 30308 | 40×90×25.25 | 0.747 |
| 30309 | 45×100×27.25 | 0.984 |
| 30310 | 50×110×29.25 | 1.250 |
| 30311 | 55×120×31.5 | 1.630 |
| 30312 | 60×130×31.5 | 1.900 |
| 30313 | 65×140×36 | 2.410 |
| 30314 | 70×150×38 | 3.040 |
| 30315 | 75×160×40 | 3.743 |
| 31303 | 17×47×15.25 | 0.132 |
| 31304 | 20x52x16x25 | 0.174 |
| 31305 | 25×62×18.25 | 0.26 |
| 31306 | 30×72×20.75 | 0.392 |
| 31306WB1 | 30×72×20.75 | 0.398 |
| 31307 | 35×80×22.75 | 0.523 |
| 31308 | 40×90×25.25 | 0.731 |
| 31309 | 45×100×29.25 | 0.977 |
| 31310 | 50×110×29.25 | 1.25 |
| 31311 | 55×120×31.5 | 1.78 |
| 31311/YA | 55×120×31.5 | 1.54 |
| 31311/YB2 | 55×120×31.5 | 1.55 |
| 31312 | 60×130×33.5 | 1.92 |
| 31313 | 65×140×36 | 2.46 |
| 32010 | 50×80×20 | 0.373 |
| 32011 | 55×90×23 | 0.564 |
| 32012 | 60×95×23 | 0.59 |
| 32013 | 65×100×23 | 0.63 |
| 32014 | 70×110×25 | 0.85 |
| 32015 | 75×115×25 | 0.88 |
| 32016 | 80×125×29 | 1.26 |
| 32017 | 85×130×29 | 1.33 |
| 32018 | 90×140×32 | 1.77 |
| 32019 | 95×145×32 | 1.82 |
| 32020 | 100×150×32 | 1.87 |
| 32203 | 17×40×17.25 | 0.104 |
| 32204 | 20×47×19.25 | 0.158 |
| 32205 | 25×52×19.25 | 0.199 |
| 32206 | 30×62×21.25 | 0.282 |
| 32207 | 35×72×24.25 | 0.449 |
| 32208 | 40×80×24.75 | 0.533 |
| 32209 | 45×85×24.75 | 0.583 |
| 32210 | 50×90×24.75 | 0.614 |
| 32211 | 55×100×26.75 | 0.849 |
| 32212 | 60×110×29.75 | 1.1 |
| 32213 | 65×120×32.75 | 1.57 |
| 32214 | 70×125×33.25 | 1.56 |
| 32215 | 75×130×33.25 | 1.56 |
| Model Number | Specifications(dxDxB) | Weight/kg |
| 32303 | 17×47×20.25 | 0.174 |
| 32304 | 20×52×22.25 | 0.238 |
| 32305 | 25×62×25.25 | 0.360 |
| 32306 | 30×72×28.75 | 0.544 |
| 32306AN | 30×72×28.75 | 0.698 |
| 32307 | 35×80×32.75 | 0.804 |
| 32308 | 40×90×35.25 | 1.010 |
| 32309 | 45×100×38.2 | 1.360 |
| 32310 | 50×110×42.25 | 1.740 |
| 32310/YA | 50×110×42.25 | 1.880 |
| 32310 | 50×110×42.25 | 1.780 |
| 32311 | 55×120×45.5 | 2.200 |
| 32311/YA | 55×120×45.5 | 2.430 |
| 32311/YB2 | 55×120×45.5 | 2.350 |
| 32312 | 60×130×48.5 | 2.990 |
| 32313 | 65×140×51 | 3.450 |
| 32314 | 70×150×54 | 4.260 |
| 32315 | 75×160×58 | 5.290 |
| 32316 | 80×170×67.5 | 5.960 |
| 32317 | 85×180×63.5 | 7.310 |
| 32318 | 90×190×67.5 | 8.784 |
| 32319 | 95×200×71.5 | 10.000 |
| 32320 | 100×215×77.5 | 13.200 |
| 32321 | 105×225×81.5 | 14.400 |
| 32322 | 110×240×84.5 | 18.000 |
| 32324 | 120×260×90.5 | 22.400 |
| 32326 | 130×280×98.75 | 26.600 |
(2) Imperial single row taper roller bearing size chart
| Model Number | Specifications(dxDxB) | Weight/kg |
| 1778/1729 | 20.627×56.896×19.368 | 0.26 |
| 12580/12520 | 20.638×49.225×19.845 | 0.18 |
| M12649/M12610 | 21.430×50.005×17.526 | 0.17 |
| LM12749/LM12710 | 21.987×45.237×15.494 | 0.12 |
| LM12749/LM12711 | 21.987×45.974×15.494 | 0.12 |
| LL52549/LL52510 | 22.225×42.070×11.176 | 0.07 |
| 07087/07196 | 22.225×50.005×13.495 | 0.13 |
| 07087X/07196 | 22.225×50.005×13.495 | 0.13 |
| M12648A/M12610 | 22.225×50.005×17.526 | 0.16 |
| M12648/M12610 | 22.225×50.005×17.526 | 0.16 |
| 07087/07204 | 22.225×51.994×15.011 | 0.15 |
| 07087X/07205 | 22.225×52.000×15.011 | 0.15 |
| 1380/1328 | 22.225×52.388×19.368 | 0.2 |
| 1380/1329 | 22.225×53.975×19.368 | 0.22 |
| 1755/1730 | 22.225×53.975×19.368 | 0.22 |
| 1755/1729 | 22.225×56.896×19.368 | 0.25 |
| 1755/1729X | 22.225×56.896×19.368 | 0.25 |
| 1975/1922 | 22.225×57.150×19.845 | 0.26 |
| 1280/1220 | 22.225×57.150×22.225 | 0.28 |
| 1975/1932 | 22.225×58.738×19.050 | 0.27 |
| 1975/1931 | 22.225×60.325×19.845 | 0.29 |
| 3655/3620 | 22.225×61.912×36.512 | 0.51 |
| 246X/242 | 22.225×62.000×17.983 | 0.29 |
| 2684/2631 | 22.225×66.421×23.812 | 0.46 |
| LM72849/LM72810 | 22.606×47.000×15.500 | 0.12 |
| 07093/07196 | 23.812×50.005×13.495 | 0.12 |
| L44640/L44610 | 23.812×50.292×14.224 | 0.13 |
| 07093/07210X | 23.812×50.800×15.011 | 0.14 |
| 07093/07204 | 23.812×51.994×15.011 | 0.15 |
| 1779/1730 | 23.812×53.975×19.368 | 0.21 |
| 1779/1729 | 23.812×56.896×19.368 | 0.24 |
| 3659/3620 | 23.812×61.912×28.575 | 0.43 |
| 23092/23256 | 23.812×65.088×22.225 | 0.37 |
| 2685/2631 | 23.812×66.421×23.812 | 0.45 |
| Model Number | Specifications(dxDxB) | Weight/kg |
| 665X/653X | 85.000×150.000×41.275 | 2.860 |
| JH217249/JH217210 | 85.000×150.000×46.000 | 3.340 |
| 90334/90744 | 85.000×188.912×53.297 | 6.570 |
| 98335/38788 | 85.000×200.000×52.761 | 7.700 |
| 749/743 | 85.026×150.000×44.455 | 3.200 |
| 749/742 | 85.026×150.089×44.450 | 3.250 |
| 749-S/742 | 85.026×150.089×44.450 | 3.220 |
| 497/492A | 85.725×133.350×30.162 | 1.400 |
| 497/493 | 85.725×136.525×30.162 | 1.510 |
| 497A/493 | 85.725×136.525×30.162 | 1.480 |
| HM617048/HM617010 | 85.725×142.138×42.862 | 2.640 |
| HM617049/HM617010 | 85.725×142.138×42.862 | 2.620 |
| 665/653 | 85.725×146.050×41.275 | 2.600 |
| 665A/653 | 85.725×146.050×41.275 | 2.570 |
| 596/592AX | 85.725×147.828×35.717 | 2.490 |
| 596/JM719113 | 85.725×150.000×35.966 | 2.590 |
| 596/593X | 85.725×150.000×35.992 | 2.590 |
| 596/592A | 85.725×152.400×39.688 | 2.870 |
| 665/652 | 85.725×152.400×41.275 | 2.970 |
| 758/752 | 85.725×161.925×47.625 | 4.230 |
| 677/672 | 85.725×168.275×41.275 | 4.120 |
| 841/832 | 85.725×168.275×53.975 | 5.240 |
| L217847/L217810 | 87.312×123.825×20.638 | 0.770 |
| 596-S/592A | 87.312×152.400×39.688 | 2.810 |
| HH221432/HH221410 | 87.312×190.500×57.150 | 8.170 |
| 42346/42584 | 87.960×148.430×28.575 | 1.960 |
| 42346/42587 | 87.960×149.225×31.750 | 2.100 |
| LL217849/LL217810 | 88.900×121.442×15.083 | 0.470 |
| L217849/L217810 | 88.900×123.825×20.638 | 0.740 |
| L217849/L217813 | 88.900×127.000×20.638 | 0.850 |
| 42350/42584 | 88.900×148.430×28.575 | 1.930 |
| 42350/42587 | 88.900×149.225×31.750 | 2.070 |
| 593A/JM719113 | 88.900×150.000×35.966 | 2.440 |
| 593/JM719113 | 88.900×150.000×35.966 | 2.470 |
| 593/593X | 88.900×150.000×35.992 | 2.460 |
| 593/592A | 88.900×152.400×39.688 | 2.750 |
| 593A/592A | 88.900×152.400×39.688 | 2.710 |
| HM518445/HM518410 | 88.900×152.400×39.688 | 2.790 |
| 759/752A | 88.900×159.995×47.625 | 3.940 |
| 6580/6525X | 88.900×160.000×53.975 | 4.520 |
| 69350X/69630 | 88.900×160.096×30.124 | 2.400 |
| 759/752 | 88.900×161.925×47.625 | 4.070 |
| 766/752 | 88.900×161.925×47.625 | 4.020 |
| 6580/6535 | 88.900×161.925×53.975 | 4.660 |
| 6580/6536 | 88.900×161.925×53.975 | 4.680 |
| 679/672 | 88.900×168.275×41.275 | 3.980 |
| 759/753 | 88.900×168.275×47.625 | 4.540 |
| 766/753 | 88.900×168.275×47.625 | 4.490 |
| 850/832 | 88.900×168.275×53.975 | 5.040 |
| 77350/77675 | 88.900×171.450×47.625 | 4.870 |
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Questions buyers still ask while reviewing Single Row Taper Roller Bearings
Which next options usually help after reviewing Single Row Taper Roller Bearings?
Most buyers benefit from one broader family destination, one more commercial route, and one supporting guide that answers the next practical question. That combination usually turns research into a clearer shortlist.
Why add related bearing destinations beside Single Row Taper Roller Bearings?
Because the first answer often leads to a second question about fit, applications, supplier choice, or repeat-order confidence. Keeping those next destinations close reduces unnecessary backtracking.
When is it worth moving from reading into a quote or product review?
That move usually makes sense once the topic has narrowed the likely bearing family and the remaining unknowns are commercial, dimensional, or application-specific rather than purely educational.
What usually makes the next bearing decision easier after Single Row Taper Roller Bearings?
The process is often easier when the wider family view, the more commercial destination, and one practical guide stay visible together. That keeps the decision grounded in both application detail and buying reality.
Buyer FAQ
Questions buyers ask before choosing the next bearing option
What is the main takeaway from Single Row Taper Roller Bearings?
The main takeaway is that single row taper roller bearings should be checked against the bearing family, dimensions, load direction, speed, and operating conditions instead of relying on the title or size alone.
When should I use this guide before requesting a quote?
Use the guide when you are comparing bearing models, checking suffix meanings, confirming seal or clearance choices, planning maintenance, or preparing details for replacement, production, or OEM sourcing.
How does this topic connect to taper roller bearings?
The topic supports the Taper Roller Bearings decision path by helping buyers understand fit, performance, specification details, or maintenance factors before choosing a product page or contacting the team.
Can this guide replace a final specification check?
No. The guide helps prepare the decision, but a final check should still confirm the part number, dimensions, load, speed, seal, clearance, precision, application, and order quantity.
What should I send if I need help after reading this guide?
Send the bearing number, measured size, photos if available, application, quantity, and any special operating conditions. That gives the team enough context to recommend the right product family or quote route.
Need help checking fit, price, or lead time? Request a bearing quote
