Types of cylindrical roller bearing:
N type:
The inner ring has two integral flanges and the outer ring is without flanges. Axial displacement of the shaft with respect to the housing can be accommodated in both directions within the bearing itself. The bearings are therefore used as non-locating bearings.
NU type:
The outer ring of bearings of the NU design has two integral flanges and the inner ring is without flanges. Axial displacement of the shaft with respect to the housing can be accommodated in both directions within the bearing itself.
NJ type:
The outer ring has two integral flanges and the inner ring one integral flange. The bearings are therefore suitable for the axial location of a shaft in one direction.
NF type:
The outer ring has one integral flange and the inner ring two integral flanges.
NUP type:
The outer ring has two integral flanges and the inner ring one integral flange and one non-integral flange in the form of a loose flange ring. The bearings can be used as locating bearings, i.e. they can provide axial location for a shaft in both directions.
RN type:
No outer ring and the inner ring two integral flanges.
NN type:
NN type bearing without ribs on outer ring,there is a wall in the midel of between both sides of inner ring. It can make shaft relative bearing between the axial displacement generated in both directions.
Drawing of cylindrical roller bearing:
China manufacturer Cylindrical Roller Bearing NJ308EM NU308EM N308EM:
NSK NU308EM Single row Cylindrical roller bearings with brass, ring guided cage. These EM series Cylindrical roller bearings have higher load carrying capacity, lower noise and superior cage strength than the ordinary type.
Brand | NSK | |
Series | Cylindrical Roller Bearing | |
Bearing NO. | NU308EM | |
Basic size | d | 40 |
mm | D | 90 |
B | 23 | |
Basic load ratings Kn | Cr | 80.4 |
Cor | 78 | |
Limiting Speeds N(r/min) | grease | 6700 |
oil | 8000 | |
Payment Term | 1).30%T/T in advance ,70% balance has to be paid before first shippment. 2).100% L/C at sight 3): West Union 4): PayPal 5): Other payment terms depend on our discussion |
Related models and specifications:
MODEL | d(mm) | D(mm) | B(mm) |
N221 | 105 | 190 | 36 |
NU2219 | 105 | 190 | 36 |
NJ2219 | 105 | 190 | 36 |
N321 | 105 | 225 | 49 |
NU321 | 105 | 225 | 49 |
NJ321 | 105 | 225 | 49 |
NN3021 | 105 | 225 | 49 |
N222 | 110 | 200 | 38 |
N322 | 110 | 240 | 50 |
NU322 | 110 | 240 | 50 |
NJ322 | 110 | 240 | 50 |
NJ2222 | 110 | 200 | 53 |
NU2322 | 110 | 240 | 80 |
NJ2322 | 110 | 240 | 80 |
NN3022 | 110 | 170 | 45 |
N224 | 120 | 215 | 40 |
NU224 | 120 | 215 | 40 |
NJ224 | 120 | 215 | 40 |
N324 | 120 | 260 | 55 |
NU324 | 120 | 260 | 55 |
NJ324 | 120 | 260 | 55 |
NU2224 | 120 | 215 | 58 |
NJ2224 | 120 | 215 | 58 |
NU2324 | 120 | 260 | 86 |
NJ2324 | 120 | 260 | 86 |
NN3024 | 120 | 180 | 46 |
NU5224XPC3 | 120 | 215 | 76.2 |
Specification:
Full complement cylindrical roller bearings have solid inner and outer rings and rib-guided cylindrical rollers. Since these bearings have the largest possible number of rolling elements, they have extremely high radial load carrying capacity, high rigidity and are suitable for particularly compact designs.
Features:
(1.) cylindrial roller bearing has a good radial load capacity, it's suitable for withstanding heavy load and shock load.
(2) small friction coefficient, it's suitable for high-speed. And the limited speed is close to the deep groove ball bearing's.
(3) N type and NU type can move axially, can adapt to errors due to thermal expansion or installation of the shaft and housing caused by changes in relative position, and can be used for supporting the free end.
(4) High demanding for the processing of the axis and socket. After installing the bearing outer ring relative to the axis of deflection should be strictly controlled to avoid exposure to stress concentration
(5) Inner and outer rings are detachable for easy installation and removal.
(6)
Cylindrical roller bearings are separable formed bearings. The rollers of cylindrical roller bearings have linear contact with the raceway, so the bearings can carry heavier radial load. They possess the characteristics of stability, anti-wearing property, high-speed, high-reliability
MOQ IS ONE PIECE
TERMS OF PAYMEMT: T/T
SAMPLE AVAILABLE
PACKING: CARTON OR WOODEN BOX OR ACCORING TO CUSTOMER REQUIREMENT
SHIPMENT: Logistics forwarder or Express service, according to quantity
Delivery time: 3-15 days according to quantity required
Quality: Export standard
Price term: FOB
1.high precison high speed low friction
2.factory price
3.short delivery time (shenzhen port or guangdong port)
4.large stock is available
5.we can offer sample
6.many brands can choose and oem service
7.various payment terms(L/C,T/T,West Union,MoneyGram,Paypal)
8.we will find the perfect transportation ways for you
Jinan ZYSL bearing Co., Ltd.are manufacturer and supplier from Jinan Shandong China , Which is on the line of bearing for more than 20 years experience .We integrate R&D,production and export of bearings.
So one of our biggest advantage compared others is that we can provide the best factory price based on the same good quality.Our employees are all received professional training.
And until now we has established a professional sales network to help customers get products information at the first time.Besides our company has strong technical strength, excellent processing equipment and complete testing equipment to ensure quality of bearings.The annual production capability is more than 960 million units.Quality is our culture and credibility is our primary principle in our business. So we constantly strive for research and innovation development, adhere to the concept of "survival of high quality", and provide excellent service for customers.
1. How long is your delivery term?
Our standard product delivery term is normally 30 days. A new product development cycle is 60 days in normal. Under normal circumstances, there are standing stock for regular types. You can email us to learn more details.
2. Where is your port of shipment located?
Our main port of shipment is Guangzhou port, and we may operate at other ports if required by the customer.
3. I couldn’t find a design to fit my application in your catalog. Can you help me design a bearing?
Yes, technical expertise is available to assist you with engineering design for custom products. Available options include, but are not limited to, custom rings, retainers, balls, shields, lubricants, and packaging. We look forward to working with you to satisfy your rotary motion requirements.
Skype:cindy.chen125
whatsapp:+8615098917851
I am looking forward to receiving your enquires soon .^ - ^
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