NU 311 cylindrical roller bearing with brass cage NU311M NU311EM NU311ECM
Design Features of NU 311 ECM Bearings
NU 311 ECM bearings feature single-row cylindrical rollers with high radial load capacity and low friction for efficient performance. The NU 311 ECM has an outer diameter of 120 mm. Its inner diameter is 55 mm. The inner ring ensures precise alignment, provides stability and smooth rotation under varying load conditions, making it suitable for applications that require strong and reliable support.
What benefits can NU 311 ECM bearings provide?
High load capacity: The design supports high radial loads, making it ideal for heavy-duty applications.
Low friction: Reduced friction improves efficiency and extends the life of the bearing.
Compact design: The single-row configuration allows for more compact bearings, saving space in machinery.
Improved stability: The inner ring ensures precise alignment, providing smooth and stable operation.
Durability: The bearing is built to provide long-lasting performance under demanding conditions.
Versatility: Suitable for a wide range of applications from industrial machinery to automotive systems.
What can NU 311 ECM bearings be used for?
Industrial machinery: used in heavy machines such as pumps, compressors and gearboxes to withstand high radial loads.
Automotive industry: used in engines, gearboxes and wheel hubs to provide reliable support under different load conditions.
Single-row equipment: used in machinery such as cranes and excavators, which require bearings that can withstand high loads and harsh conditions.
Mining equipment: essential for equipment such as conveyors and crushers that require high load capacity.
Electric motors: provide stable support for the rotor, reduce friction and improve efficiency.
Agricultural equipment: used in machines such as tractors and harvesters to ensure smooth operation under harsh conditions.
1,Q: Are you trading company or manufacturer ?
A: We are factory.
2,Q: How long is your delivery time for nu 311?
A: Generally it is 3-5 days if the goods are in stock.or it is 15-20 days if the goods are not in stock, it is according to quantity.
3,Q: Do you provide samples for nu 311? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
4,Q: What is your terms of payment for bearing?
A: Payment<=1000USD,100% in advance.Payment>=1000USD, 30% T/T in advance,pay the balance before shippment.
5, Q:Could you accept OEM and customize for nu 311?
A:YES,we can customize for you according to sample or drawing.
6, Q: When can I get the price for nu 311?
A: after we get your inquiry, usually within 2-6 hours.Urgent will be faster.
7,Q:How about your quality of bearings?
A:Our quality of bearings is based on ISO9001 and quality of bearing is our soul.
8, Q: What is the MOQ of nu 311?
A: Usually ≥1,According your demand.
9,Q: Will you check these products before shipment?
A: Yes, before shipment products will be strictly inspection on our factory QC Process System.We have a professional QC team.
10, Q: What will we do if If you are not satisfied with the product?
A: If have any question,Please contact us at first time, we will immediately processing.
If you need any brand bearings or any models of bearings, please contact me!
Contact: Grace
Email: ntn@llhbearing.com
Skype:+8618668903871
MP/Whatsapp: +8618668903871
Wechat:GraceXu1234
| d – Internal diameter | 55 mm |
| D – External diameter | 120 mm |
| B – Bearing/Inner ring width | 29 mm |
| E – Upper roller diameter | 104,5 mm |
| F – Under roller diameter | 70,5 mm |
| rs – Min fillet radius | 2 mm |
| r1s – Min fillet radius | 2 mm |
| Bearing number | d | D | B | C | C0 |
| NUP203 ECP | 17 | 40 | 12 | 17,2 | 14,3 |
| NUP2203 ECP | 17 | 40 | 16 | 23,8 | 21,6 |
| NUP204 ECML | 20 | 47 | 14 | 28,5 | 22 |
| NUP204 ECPHA | 20 | 47 | 14 | 28,5 | 22 |
| NUP204 ECP | 20 | 47 | 14 | 28,5 | 22 |
| NUP304 ECP | 20 | 52 | 15 | 35,5 | 26 |
| NUP2304 ECP | 20 | 52 | 21 | 47,5 | 38 |
| NUP205 ECP | 25 | 52 | 15 | 32,5 | 27 |
| NUP205 ECML | 25 | 52 | 15 | 32,5 | 27 |
| NUP2205 ECP | 25 | 52 | 18 | 39 | 34 |
| NUP305 ECML | 25 | 62 | 17 | 46,5 | 36,5 |
| NUP305 ECJ | 25 | 62 | 17 | 46,5 | 36,5 |
| NUP305 ECP | 25 | 62 | 17 | 46,5 | 36,5 |
| NUP2305 ECP | 25 | 62 | 24 | 64 | 55 |
| NUP2305 ECML | 25 | 62 | 24 | 64 | 55 |
| NUP206 ECML | 30 | 62 | 16 | 44 | 36,5 |
| NUP206 ECP | 30 | 62 | 16 | 44 | 36,5 |
| NUP2206 ECP | 30 | 62 | 20 | 55 | 49 |
| NUP306 ECP | 30 | 72 | 19 | 58,5 | 48 |
| NUP306 ECJ | 30 | 72 | 19 | 58,5 | 48 |
| NUP306 ECM | 30 | 72 | 19 | 58,5 | 48 |
| NUP306 ECML | 30 | 72 | 19 | 58,5 | 48 |
| NUP2306 ECML | 30 | 72 | 27 | 83 | 75 |
| NUP2306 ECP | 30 | 72 | 27 | 83 | 75 |
| NUP207 ECJ | 35 | 72 | 17 | 56 | 48 |
| NUP207 ECML | 35 | 72 | 17 | 56 | 48 |
| NUP207 ECP | 35 | 72 | 17 | 56 | 48 |
| NUP207 ECM | 35 | 72 | 17 | 56 | 48 |
| NUP2207 ECP | 35 | 72 | 23 | 69,5 | 63 |
| NUP307 ECP | 35 | 80 | 21 | 75 | 63 |
| NUP307 ECJ | 35 | 80 | 21 | 75 | 63 |
| NUP307 ECM | 35 | 80 | 21 | 75 | 63 |
| NUP307 ECML | 35 | 80 | 21 | 75 | 63 |
| NUP2307 ECP | 35 | 80 | 31 | 106 | 98 |
| NUP208 ECJ | 40 | 80 | 18 | 62 | 53 |
| NUP208 ECML | 40 | 80 | 18 | 62 | 53 |
| NUP208 ECM | 40 | 80 | 18 | 62 | 53 |
| NUP208 ECP | 40 | 80 | 18 | 62 | 53 |
| NUP2208 ECP | 40 | 80 | 23 | 81,5 | 75 |
| NUP2208 ECJ | 40 | 80 | 23 | 81,5 | 75 |
| NUP308 ECM | 40 | 90 | 23 | 93 | 78 |
| NUP308 ECP | 40 | 90 | 23 | 93 | 78 |
| NUP308 ECML | 40 | 90 | 23 | 93 | 78 |
| NUP2308 ECML | 40 | 90 | 33 | 129 | 120 |
| NUP2308 ECM | 40 | 90 | 33 | 129 | 120 |
| NUP2308 ECP | 40 | 90 | 33 | 129 | 120 |
| NUP209 ECJ | 45 | 85 | 19 | 69,5 | 64 |
Jinan Maolei bearing Co.,Ltd. is located in the “Spring City” Jinan. We insist on the philosophies of “integrity” and “pragmatic & win-win business”. We also adhere to the “people-oriented” and “advancing” enterprise spirit . “Quality first and customers utmost” is honored as our enterprise concept.The core products of Jinan Maolei bearing Co,.Ltd. We have our own brand “LLH”,we sincerely welcome friends from all over the world come to visit our company and talk on business,we adhere to the concept of”survival of high quality”,and provide excellent service for customers. 
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