31311 27311E 31311R Chrome Steel 55*120*31mm Single Row Cone and Cup Tapered Roller Bearings
31311 27311E 31311R Chrome Steel 55*120*31mm Single Row Cone and Cup Tapered Roller Bearings
Precision class: P0 (standard) and P6 (high precision) options available for different accuracy requirements.
Radial clearance range: C3 (medium clearance) as standard, suitable for thermal expansion scenarios in high-speed operations.
Cage material: 31311E uses pressed steel cage for lightweight performance; 31311R features machined brass cage for high strength and temperature resistance.
Mounting direction: Designed for easy cone-cup separation, facilitating installation and maintenance in confined spaces.
| No | Item | Data |
|
1. |
Bearing No. | 31311 |
| 2. | Internal Diameter(mm) | 55 |
| 3. | Outside Diameter(mm) | 120 |
| 4. | Width | 31 |
| 5. | Weight (kgs) | 1.56 |
| Bearing NO. | Bearing NO. | Bearing NO. | Bearing NO. |
| 639213 | CBK257(C102) | 11590/11520 | LM11749/LM11710 |
| LM11949/LM11910 | 09074/09195 | 639177 | LM12748/LM12710 |
| LM12649/LM12610 | LM12749/LM12710 | LM12749/LM12711 | JL22349/JL22310 |
| JHM33449/JHM33410 | 07098-07196 | L44643/L44610 | 1780-1729 |
| M84548/10 | LM44649/LM44610 | 28KW01 | L45449/L45410 |
| M86649/M86610 | M88043/M88010 | LM67048/L67010 | LM67045/LM67010 |
| JL26749/JL26710 | 320/32C | TR0608A-N | 6-7707Y |
| M88048/M88010 | 639337A | LM48548/LM48510 | LM48549X/10 |
| 14136A/14276 | HM88649/HM88610 | 02878/02820 | 25877/25821 |
| 31594/31520 | HM89446/HM89410 | 639338A | 14585-14525 |
| 6-7807Y | L68149/L68110 | L68149A/10/P6 | 328227 |
| L68149/L68111 | LM78349/LM78310A | LM78349/LM78310C | JL68145/11-Z |
| U298/U261L | 30607 | TR070803C | 25880/25821 |
| HM89449/HM89410 | HM89448/HM89410 | 25570/25520 | JL69345/JL69310 |
| JL69345/JL69310E | JL69349/JL69310 | LM29748/LM29710 | 57207/LM29710 |
| LM29749/LM29711 | LM29749/LM29710 | 13687/20 | 2788/2720 |
| 26878/26822 | 3490/3420 | 3875/3820 | 3580/3525 |
| 639315A/Q | M399 | M365L | 2789/2720 |
| U399/U360L | TR080803R-9 | 3879/3820 | LM300849/11 |
| 18437 | 18590/18520 | LM501349/LM501310 | LM501349/LM501311 |
| LM501349/LM501314 | 11162/11300 | 24780/24720 | 26882/26822 |
| 3880/3820 | HM803146/HM803110 | 25580/25520 | 3782/3720 |
| 127509 | 17887/17831 | LM102949/LM102910 | LM603049/LM603011 |
| LM603049/LM603012 | LM603049/LM603014 | LM603049A/LM603014 | 25590/25520 |
| 25590/25523 | LM503349A/LM503310 | LM503349/LM503310 | 18690/18620 |
| 386A/382A | JLM104946/10Z | JLM104948/JLM104910 | JLM104945/10Z |
| JM205149/JM205110 | LM104949/LM104910 | LM104949/LM104911 | 18790/18720 |
| 368A/362A | 368/362A | 368/362 | 28985/28920 |
| 28985A/28920 | 29587/29520 | 29586A/29522 | 395A/394A |
| 39590/20 | 3984/3920 | HM212049/11 | 33281/33462 |
| 33287/33462 | 580/572 | 27695/20 | 498/492A |
| HM518445/10 | 594/592A |
| Bearing NO. | Bearing NO. | Bearing NO. | Bearing NO. |
| 30203 | 30204 | 30205 | 30206 |
| 30207 | 30208 | 30209 | 30210 |
| 30211 | 30212 | 30213 | 30214 |
| 30215 | 30216 | 30217 | 30218 |
| 30219 | 30220 | 30221 | 30222 |
| 30224 | 30226 | 30228 | 30230 |
| 30232 | 30234 | 30236 | 30238 |
| 30240 | 30302 | 30303 | 30304 |
| 30305 | 30306 | 30307 | 30308 |
| 30309 | 30310 | 30311 | 30312 |
| 30313 | 30313/YB2 | 30314 | 30315 |
| 30316 | 30317 | 30318 | 30319 |
| 30320 | 30321 | 30322 | 30324 |
| 30326 | 30328 | 30330 | 30332 |
| 30334 | 32204 | 32205 | 32206 |
| 32207 | 32208 | 32209 | 32210 |
| 32211 | 32212 | 32213 | 32214 |
| 32215 | 32216 | 32217 | 32218 |
| 32219 | 32220 | 32221 | 32222 |
| 32224 | 32226 | 32228 | 32230 |
| 32232 | 32234 | 32236 | 32238 |
| 32240 | 32244 | 32304 | 32305 |
| 32306 | 32307 | 32308 | 32309 |
| 32310 | 32311 | 32312 | 32313 |
| 32314 | 32315 | 32316 | 32317 |
| 32318 | 32319 | 32320 | 32321 |
| 32322 | 32324 | 32326 | 32328 |
| 32330 | 32004 | 32005 | 32006 |
| 32007 | 32008 | 32009 | 32010 |
| 32011 | 32012 | 32013 | 32014 |
| 32015 | 32016 | 32017 | 32018 |
| 32019 | 32020 | 32021 | 32022 |
| 32024 | 32026 | 32028 | 32030 |
| 32032 | 32034 | 32036 | 32038 |
| 32040 | 32044 | 33005 | 33006 |
| 33007 | 33008 | 33009 | 33010 |
| 33011 | 33012 | 33013 | 33014 |
| 33015 | 33016 | 33017 | 33018 |
| 33019 | 33020 | 33021 | 33022 |
| 33024 | 33026 | 33028 | 33030 |
| 33108 | 33109 | 33110 | 33111 |
| 33112 | 33113 | 33114 | 33115 |
| 33116 | 33117 | 33118 | 33119 |
| 33120 | 33121 | 33122 | 33124 |
| 33205 | 33206 | 33207 | 33208 |
| 33209 | 33210 | 33211 | 33212 |
| 33213 | 33214 | 33215 | 33216 |
| 33217 | 33218 | 33219 | 33220 |
| 31305 | 31306 | 31307 | 31308 |
| 31309 | 31310 | 31311 | 31312 |
| 31313 | 31314 | 31315 | 31316 |
| 31317 | 31318 | 31319 | 3002 |
| 30613B | 30613 | 30614 | 33113X2 |
| 33114X2 | 30615 | 33216X2 | 30617 |
| 30618 | 30619 | 30621 | 306/47 |
| 32905 | 32906 | 32907 | 32908 |
| 32909 | 32910 | 32911 | 32912 |
| 32913 | 32914 | 32915 | 32916 |
| 32917 | 32918 | 32919 | 32920 |
| 32921 | 32922 | 32924 | 32926 |
| 32928 | 32930 | 32932 | 32934 |
| 32936 | 32938 | 32940 | 32944 |
The Shipping Way We Use
We use the main delivery companies are as below
We normally will dispatch your order within 2-7 working days depends on stock level, as soon as the order is shipped, we will list the tracking number on your order detail page, if there is any problem regarding to the shipping, please feel free to contact us.
Below shows the estimate delivery time for different courier:
- DHL: 10-14 working days
- FedEx: 7 to 10 working days
- UPS: 7 to 10 working days
- EMS: 10-14 working days
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.

