• High Quality Rn N NJ NUP 307 306 305 304 303 302 Nu 301 300 Single Row Cylindrical Roller Bearing
  • High Quality Rn N NJ NUP 307 306 305 304 303 302 Nu 301 300 Single Row Cylindrical Roller Bearing
  • High Quality Rn N NJ NUP 307 306 305 304 303 302 Nu 301 300 Single Row Cylindrical Roller Bearing
  • High Quality Rn N NJ NUP 307 306 305 304 303 302 Nu 301 300 Single Row Cylindrical Roller Bearing
  • High Quality Rn N NJ NUP 307 306 305 304 303 302 Nu 301 300 Single Row Cylindrical Roller Bearing
  • High Quality Rn N NJ NUP 307 306 305 304 303 302 Nu 301 300 Single Row Cylindrical Roller Bearing

High Quality Rn N NJ NUP 307 306 305 304 303 302 Nu 301 300 Single Row Cylindrical Roller Bearing

US$18.00
1-99 Pieces
US$17.50
100-999 Pieces
US$17.00
1,000+ Pieces
Port:
Hong Kong, Hong Kong
Production Capacity:
500000 Pieces Per Month
Payment Terms:
L/C, T/T, D/P, Western Union, Paypal, Money Gram

BIG BEARING LIMITED

Guangdong, China

Last Login Date:

Jun 11, 2025

Business Type:

Manufacturer/Factory, Trading Company

Main Products:

Bearing, Ball Bearing, Roller Bearing, Tapered Roller Bearing, Deep Groove Ball Bearings, Self-Lubricating Units, Cylindrical Roller Bearings, Angular Contact Bearings, Spherical Roller Bearing

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Product Description

Company Info

Basic Info.

Model NO.
NUP 311 ECJ
Aligning
Aligning Bearing
Separated
Unseparated
Rows Number
Double
Load Direction
Radical & Thrust
Material
Bearing Steel
Rolling Body
Roller Bearing
Structure
Cylindrical Roller Bearings
Series
N, NJ, NU (200, 300, 400),NUP (200, 300, 400),NCF,
Precision Rating
P0, P1, P2, P3, P4, P5, P6
Brand
Koyo/NTN/NSK/TIMKEN/IKO/NACHI
Model 1
NJ 214 ECJ Roller Bearing
Model 2
NTN Bearing NJ 224 ECJ
Model 3
Bearing NJ 226 ECP
Model 4
NJ 2314 ECP NSK Bearing
Model 5
Bearing NUP 311 ECJ
Model 6
Koyo N 312 ECM Bearing
Model 7
Bearing NUP 320 ECJ
Mass
0.66 kg
Usage
Auto Parts/Machine Parts/wheel hub bearing/motorcy
Feature
Long life high speed
Trademark
NTN NACHI NSK KOYO TIMKEN OEM
Transport Package
Wooden Box Packing
Specification
55*100*21 MM
Origin
USA/France/Germany/Italy/Austria/Sweden/Japan
HS Code
84825000

Product Description

Product Description


Cylindrical roller bearings
 
Application of cylindrical roller bearings: large and medium-sized motors, locomotives, machine tool spindles, internal combustion engines, generators, gas turbines, gearboxes, rolling mills, vibrating screens, and lifting and transporting machinery.

 
  • N Series - Bearings of N type are single row cylindrical roller bearings with two fixed ribs on the inner ring that retain the rollers and cage and one smooth outer ring. This type allows axial displacement in certain limits of the shaft in relation to the housing. Therefore, N Series cylindrical roller bearings are used in non-locating bearing units. The N Series bearings have very little thrust capacity.
  • NU Series - These are single row cylindrical roller bearings with two fixed ribs on the outer ring and one smooth inner ring. This type allows an axial displacement of the shaft in relation to the housing. Therefore, NU Series rolling bearings are used in non-locating bearing units. The NU Series bearings have very little thrust capacity.
  • NJ Series - This type of single row cylindrical roller bearing has two fixed ribs on the outer ring and a fixed rib on the inner ring which can guide the shaft in a single axial direction.
  • NUP Series - These are single row cylindrical roller bearings with two fixed ribs on the outer ring and a fixed rib and a support washer on the inner ring. This arrangement allows them to be used as locating bearings guiding the shaft axially in both directions.
  • NF Series - Able to carry incidental thrust loads, this bearing type features two integral ribs on the inner ring and a single rib on the outer ring.
  • NN Series - The NN design are double row cylindrical roller bearing with three fixed ribs on the inner ring that retain the rollers and cage and one smooth outer ring. This type allows an axial displacement within certain limits of the shaft in relation to the housing. NN Series Cylindrical roller bearings are used in non-locating bearing units. The NN Series bearings have a low thrust capacity.
  • NNU Series - These double row cylindrical roller bearings have three fixed ribs on the outer ring and one smooth inner ring. This style allows an axial displacement within certain limits of the shaft in relation to the housing. NU Series cylindrical roller bearings are predominantly used in non-locating bearing units. The NNU Series bearings have very low thrust capacity.
ModelBoundary Dimensions (mm)Basic Load Rating (KN)Mass
dDBCCokg
N2208EMNU2208EMNJ2208EM40802358.362.00.49
N2209EMNU2209EMNJ2209EM45852361.467.80.54
N2210EMNU2210EMNJ2210EM50902364.273.60.65
N2211EMNU2211EMNJ2211EM551002575.387.20.77
N2212EMNU2212EMNJ2212EM6011028101.0123.01.09
N2213EMNU2213EMNJ2213EM6512031120.0149.01.55
N2214EMNU2214EMNJ2214EM7012531119.0151.01.70
N2215EMNU2215EMNJ2215EM7513031135.0172.01.80
N2216EMNU2216EMNJ2216EM8014033148.0186.02.20
N2217EMNU2217EMNJ2217EM8515036169.0218.02.80
N2218EMNU2218EMNJ2218EM9016040207.0265.03.60
N2219EMNU2219EMNJ2219EM9517043230.0298.04.30
N2220EMNU2220EMNJ2220EM10018046259.0338.05.99
N2222EMNU2222EMNJ2222EM11020053334.0442.08.70
N2224EMNU2224EMNJ2224EM12021558367.049.09.55
N2226EMNU2226EMNJ2226EM13023064395.0560.011.90
N2228EMNU2228EMNJ2228EM14025068550.0790.015.90
N2230EMNU2230EMNJ2230EM15027073635.0930.019.90
N2232EMNU2232EMNJ2232EM16029080810.01190.025.40
N2234EMNU2234EMNJ2234EM17031086925.01330.031.50
 
Product NameCylindrical roller bearings
Brand NameNTN NSK NACHI KOYO TIMKEN IKO THK
Seals TypeOPEN
Cage MaterialBearing Steel/Brass
MaterialChrome Steel ,Stainless steel,Ceramic,Nylon
ClearanceC0 C2 C3
Vibration & NoisyZ1,Z2,Z3 V1,V2,V3
Accuracy GradeP0 P6 P5 P4
CertificationsISO 900, CE, CO, CQ
MOQ1 pc
FeaturesHigh Precision, High Speed, Long Life, High Reliability, Low Noise , Reduce Friction
SamplesAvailable
Payment Term Western Union, T/T, Paypal, L/C
PortHongkong / Shenzhen

1.Specification of Bearings



 2.Company Profile 
 
Established in 1986, BIG Bearing Ltd is one of the China & Hongkong's leading bearings, belts and transmission products stockists and suppliers. Based in the China Midlands and Hongkong,we carry a large-range of obsolete and hard-to-find Bearings. A comprehensive range of Automotive and Motorcycle spares are held in stock, with rare and specialist Norton-Villiers Vintage Motorbike parts, as well as Triumph, BMC, Rover, Ford, Leyland and most Classic Cars. Along with a huge variety of Clutch Release Bearings and a full line of Specialist Payen Oil Seals.

We have invested well over $5,000,000 into our vast stock of TIMKEN Tapered Roller Bearings stock in our Shenzhen warehouse.
As one of the China's largest stockists of Self-lubricating bearings, BIG Bearing Ltd are able to supply a wide variety of products from our $1,000,000 worth of Self-Lube Bearings stock in our Shenzhen warehouse. In addition, we are also the China's largest distributor of FSB Self-lubricating bearings, and we are able to supply huge quantities of direct equivalents to the original Japanese units, but at a fraction of the price. Please see our FSB catalogue to view the full ranges.

We also offer an off-site comprehensive bearing modification and manufacturing facility, fully equipped with a wide range of machine tool and inspection facilities operated by a highly skilled and dedicated team of staff. We can offer internal clearance changes, modification to NR, Bearings modified to Taper-Bore and Spacer Rings made.

BIG Bearing Ltd is an official distributor for NTN and Koyo Bearings, and offer a full range of their respective products. With huge stocks of QualityJapanese popular metric bearings, Needle roller bearings, Tapered roller bearings and Angular contacts, spread between our three China based branches, fast deliveries and competitive prices are available. Please see our NTN and Koyo catalogues to view the full ranges.

For non-critical applications and as a cost effective option, we also stock an Economy-Range of budget Chinese Bearings for your financial convenience.

In partnership with Distag QCS, BIG Bearing Ltd is one of the largest suppliers of PIX V-Belts, Wedge Belts, Poly V Belts, Timing Belts, Garden and Lawn Belts, High Power "Muscle Belts", Hex (Double Sided) Belts just to name a few. Distag QCS are also suppliers on Transmission goods including Sprockets, and Pulleys. Please browse our catalogues to view our full range of products. We keep large stocks in our warehouse in Shenzhen, aswel as our other China based branches. In the unlikely case that we don't have your required items in stock, next day deliveries direct from our supplier is available. Alternatively, we can add your items to our daily orders and will receive them next day. This is ideal if you need to collect or add to a previously placed order to save on shipping costs.

As the China's largest stockists and distributors of Rollway and MTK bearings, BIG Bearing Ltd have the ability to supply large quantities of high quality Cylindrical roller bearings, Popular metric bearings and Spherical roller bearings to name but a few. Short deliveries are available from the China and Hongkong. Please see our MTK+ and Rollway catalogues to view the full ranges.

With our unrivalled selection of top quality products and affordable prices, coupled with next day delivery and state of the art product cataloguing, it's no surprise that BIG Bearing Ltd is one of the China's largest importers and wholesalers of bearings and transmission products.

We are proud to supply to the bearing trade, to distributors both locally and internationally, and to original equipment manufacturers throughout the China and Hongkong.
 
3.Certifications.
 
    


4.Production Process.
 
     

5.Packaging & Shipping


6. Exhibition
 
7. FAQ

Q1: Are you a factory or trading company?

A: BIG Bearing is specialized in manufacturing and exporting bearings. We have own factory and warehouse.

Q2: What is the MOQ for this product?
A: Can be negotiated, we will try our best to meet customer needs.

Q3: What is your latest delivery time?
A: Delivery time within 1-3 days.

Q4: Do you provide samples? Is it free or extra?
A: Yes, we are honored to provide samples for you.
New clients are expected to pay the freight, the samples are free.
And the freight will be also deducted from your payment for formal order.

Q5: What's your shipping method?
A: By DHL/ TNT/ UPS, ocean shipping.


Q6: What are the advantages of your company's services compared to other companies?
A: Online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.

Q7: What's your payment method?
A: T/T, Western Union, Paypal, L/C.

Q8: What's your terms of payment?
A: Payment<=1000usd, 100="">=1000USD, 30% T/T in advance ,balance before shippment.
 
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