NJ308 Bicycle Bearing Cylindrical Roller Bearing
NJ308 Bicycle Bearing Cylindrical Roller Bearing
Overview
Model Number |
Cheap chinese one way rotation bearings for bicycle bearing NJ308 |
Own Brand |
As your request |
Size(mm) |
40*90*23 |
Weight |
0.68kg |
Seals type |
Open.RS.ZZ |
Rings Material |
Chrome steel-GCr15, high Carbon steel-GCR11,Stainless steel-440C,304 316 |
Cages Material |
steel,brass,nylon |
Quality standard |
ISO9001:2008 SASO CE PVOC |
Precsion |
P0,P6,P5,P4 ABEC-1,ABEC-3,ABEC-5 etc |
Clearance |
C0,C1,C2,C3,C4,C5 |
Noise |
Z1,Z2,Z3 |
Vibration |
V1,V2,V3 |
HRC |
58-62HRC |
Tolerance Grade |
GB/T307.1-205 |
Delivery time |
7-25 days |
Payment term |
A:30% TT in advance,and balance against BL COPY B: 100% LC AT SIGHT |
Services |
OEM,ODM,OBM Services |
Packing |
Single box,tube packing,industrial packing or according to customers' requirement |
MOQ |
10 PCS |
Main Market |
Asia,Europe,America,Africa,Middle East,Australia etc. |
Supply Ability:
- Supply Ability:
- 8000000 Piece/Pieces per Week
Packaging & Delivery:
- Packaging Details
- carton or wooden package or according to the customer's demands
- Port
- Ningbo,Shanghai,Qingdao,Guangzhou
Supply Ability:
- Supply Ability:
- 8000000 Piece/Pieces per Week
- Packaging Details
- carton or wooden package or according to the customer's demands
- Port
- Ningbo,Shanghai,Qingdao,Guangzhou
Product description
1.Cylindrical Roller Bearing Features:
1. roller and the raceway is in line contact or repair offline contacts, radial load capacity, suitable to withstand heavy load and shock load.
2. The friction coefficient is small, suitable for high speed, speed limit near the deep groove ball bearings.
3. N type and NJ type can move axially, able to adapt due to thermal expansion or installation error of shaft and housing caused by the relative change in position can be used for supporting the free end.
4. shaft or housing bore machining are higher, install the rear bearing outer ring axis relative deflection should be strictly controlled to avoid contact stress concentration.
5. The inner or outer ring separable, easy installation and removal.
2.Cylindrical Roller Bearing Structure Classification:
1. No outer wall and inner wall N0000 type NU0000 type cylindrical roller bearing such large radial load bearing acceptable, high speed limit, not bound to the shaft or housing axial displacement, axial unacceptable load.
2. Cylindrical inner and outer wall with roller bearings NJ0000 type, NF0000 bearing can be bound by the axial displacement or a direction of the housing, and can accept a smaller axial load. NU0000 + HJ0000 type, NJ0000 + HJ0000 type, NUP0000 bearings, or may be bound by the axial displacement in both directions in the case of an axial gap in the field of bearings, and can accept a smaller two-way axial load.
3.NJ308 Bearings Application:
Drilling machines, steam-driven pumps, rubber granulation machine, extrusion equipment, medicinal crushing machinery, textile equipment and equipment, plastic machine, planting machine, deep hole drilling, dispensing equipment, box-type drying equipment, steel wire drawing machine, Water-cooled chillers, bakery equipment, high-frequency welding, sewage pumps, eyelets machines, plastic sheet equipment, and so on purpose.
Service
1.FREE SAMPLES:contact us by email or trade manager, we will send the free samples according to your request.
2. World Class Bearing:We provide our customers with all type of indigenous roller bearings with world class quality.
3. OEM or Non Stand Bearings: Any requirement for Non standard roller bearingss is Easily Fulfilled by us due to its vast knowledge and links in the industry.
4. Genuine products With Excellent Quality: Company has always proved the 100% quality products it provides with genuine intent.
5.After Sales Service and technical Assistance: Company provides after sales service and technical assistance as per the customers requirement and needs.
6. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
7. Cost Saving: We provide long-life, shock-resistant and high reliability roller bearingss with excellent quality and better performance. Resulting in increased cost saving.
Shipping
1.Less than 45kgs , we will send by express ( door to door , convenient)
2.Between 45-200lgs , we will send by air transport ( fastest and safest but expensive )
3.More than 200kgs , we will send by sea ( cheapest but long time)
others
We mainly supply the following:
1)Series: 6000 series, 6200 series, 6300 series and 6400 series,
2)Corresponding types: 605-6032, 625-6248, 6300-6344, 6403-6418
High quality NJ308 ( 0.68 kg Mass, ID: 40 mm OD: 90 mm WD: 23 mm , single Rows , P0,P6,P5,P4 ABEC-1,ABEC-3,ABEC-5 etc Accuracy Class , bearing steel ,stainless steel Material ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. NJ308. then click the button " Send " The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you upon they get your information at the first time.
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