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30mm Bore 7306B Single Row Angular Contact Ball Bearings 30*72*19 Mm Open Type

Categories Angular Contact Ball Bearings
Brand Name: CNBTZC or OEM
Model Number: 7306B
Certification: IATF16949:2016
Place of Origin: China
MOQ: 1000
Price: Please contact us,thanks
Payment Terms: L/C,T/T
Supply Ability: 200000pcs per month
Delivery Time: 2-4 weeks
Packaging Details: plastic bag,box,carton,pallet
Part Number: 7306B Angular Contact Ball Bearings
Structure: Angular Contact
Seals Type: Open
Ring type: One-piece inner and outer rings
Lubrication: Grease,Oil
Replaceable With: SKF, NSK
Coating: Without
Sealing: Without
Design: High capacity,High speed
Contact type: Normal contact (two-point contact)
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30mm Bore 7306B Single Row Angular Contact Ball Bearings 30*72*19 Mm Open Type

7306B 30*72*19mm Single Row Angular Contact Ball Bearing


The 7306B bearing,with a bore diameter of 30 mm, outside diameter of 72 mm, and width of 19 mm.This single row angular contact ball bearing can support both radial and axial loads simultaneously, with the axial load being accommodated in one direction only. Depending on the specific model, this bearing is capable of operating at high speeds or even extremely high speeds. Compared to deep groove ball bearings, it can withstand significantly greater unidirectional axial forces.It is particularly well-suited for situations needing robust handling of both radial and significant unidirectional axial loads at high speeds.


Part Number7306 B
Bearing TypeAngular Contact
Measurement UnitMetric
DimensionsInner Bore Diameter (d)30 mm
Outer Bore Diameter (D)72 mm
Width (B)19 mm
SpecificationsContact Angle40°
MaterialChrome Steel
Cage MaterialStell
Number of RowsSingle Row
Seal TypeOpen
Temperature Range-30°C to 150°C
LubricationLubricated
Tolerance ClassP6 (ABEC-3)
Weight0.37 kg
Matched ArrangementNo
Universal Matching BearingNo
Load and SpeedDynamic Radial Load31000 N
Static Radial Load19200 N
Reference Speed For Grease (r/min)7,500 rpm
Limiting Speed For Oil(r/min)10,000 rpm



What's the Performance Features of 7306B Bearing?


  • High-Speed Operation: With minimal friction, this bearing is designed for stable performance at high speeds.
  • Precision and Durability: It offers high precision and strength, making it suitable for applications requiring accurate shaft rotation.
  • Angular Contact Design: This design efficiently handles both axial and radial loads, enhancing load capacity and extending the bearing's life.
  • Single Direction Load Support: Capable of managing axial loads in one direction along with radial loads, ideal for applications where forces act mainly in one direction.

What's the Applications of the 7306B Bearing?


1. Industrial Machinery:

Machine Tools and Processing Equipment: Used in drilling and milling machines, woodworking mortisers, belt sanders, hydraulic presses, and more, suitable for precision machining due to high speed and accuracy.

Transmission Components: Applied in ball screw reducers, gear pumps, and other transmission parts that support high loads and complex movements.

Chemical and Reactor Equipment: Commonly found in closed reactors, trough reactors, bellows equipment, and vacuum pumps, capable of withstanding high temperatures or corrosive environments.

General Industrial Equipment: Utilized in drying machines, mixers, winding machines, stamping presses, and other equipment's transmission systems.

2. Food and Light Industry Machinery:

Food Processing Equipment: Employed in bean product processing machines, bakery equipment, and fruit and vegetable processing machinery, meeting hygiene and wear resistance requirements.

Packaging and Filling Equipment: Ensures stability during high-speed operation in filling machines, capping machines, and other automated production lines.

3. Transportation and Automotive Applications:

Automotive Components: Used in gearboxes, motors, and gear reducers within vehicles, designed to handle combined loads (radial and axial).

Railway and Aviation: Some models, like NTN 7306CDB, are also used in railway locomotives and aerospace engineering.

Energy and Specialized Equipment:

Wind Power: Certain angular contact ball bearings are used in gearboxes or pitch systems of wind turbines, though specific model confirmation is necessary.

Hydraulic Machinery: Found in hydraulic rod end bearings and hydraulic installation devices, requiring high load capacity.

4. Other Areas:

Motors and Household Appliances: Utilized in high-frequency motors, air conditioning compressors, and similar devices, relying on low noise and high-speed performance.

Printing and Papermaking: Supports roller shafts in printing machines and papermaking machinery.

Bearing NumberDimensions (mm)Basic Load Rating(N)Limiting Speeds(rpm)Reference
Weight
(Kg)
Inner DiameterOuter DiameterWidthChamferDynamicStaticGreaseOil
dDBrminr1minCrCorNon-contactWt ≈
7301B1237120.600.309600400016000240000.060
7302B1542131.000.6012000600014000220000.080
7303B1747141.000.6014000800013000180000.110
7304B2052151.000.6017300965011000150000.140
7305B2562171.100.6026200152008500120000.300
7306B3072191.100.6031000192007500100000.370
7307B3580211.500.603820024500700095000.510
7308B4090231.500.604620030500630085000.670
7309B45100251.500.605950039800600085000.900
7310B50110272.000.606820048000500067001.150
7311B55120292.01.07880056500450060001.450
7312B60130312.11.19000066300430056001.850
7313B65140332.11.110200077800400053002.250
7314B70150352.11.111500087200360048002.750
7315B75160372.11.112500098500340045003.300
7316B80170392.11.1135000110000360042003.90
7317B85180413.01.1148000122000300040004.60
7318B90190433.01.1158000138000280038005.40
7319B95200453.01.1172000155000280036006.25
7320B100215473.01.1188000180000240034007.75
7321B105225493.01.1202000195000220032008.80
7322B110240503.01.12250002250002000300010.50
7328B140300624.01.52880003150001700240022.44

CERTIFICATERoHS & REACH, IATF16949:2016
FeatureHigh Speed and Stiffness,High Running Accuracy,High Load Carrying Capacity
ServiceOEM&ODM Customized Services
SamplesPlease Contact Us
ServiceOnline Support,Professional Service
SizeStandard,For custom sizes ,please contact us
Factory ManufacturerYes

Quality 30mm Bore 7306B Single Row Angular Contact Ball Bearings 30*72*19 Mm Open Type for sale
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