Single Row Taper Roller Bearings

Posted by admin

2020-11-24

On 2020-11-24

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

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