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60mm Bore 7312B Single Row Angular Contact Ball Bearings 60*130*31 Mm Open Type

Categories Angular Contact Ball Bearings
Brand Name: CNBTZC or OEM
Model Number: 7312B
Certification: IATF16949:2016
Place of Origin: China
MOQ: 100
Price: Please contact us,thanks
Payment Terms: L/C,T/T
Supply Ability: 100000pcs per month
Delivery Time: 2-4 weeks
Packaging Details: plastic bag,box,carton,pallet
Part Number: 7312B 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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60mm Bore 7312B Single Row Angular Contact Ball Bearings 60*130*31 Mm Open Type

7312B 60*130*31mm Single Row Angular Contact Ball Bearing


The 7312B bearing,with a bore diameter of 60 mm, outside diameter 130 mm, and width of 31 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 Number7312 B
Bearing TypeAngular Contact
Measurement UnitMetric
DimensionsInner Bore Diameter (d)60 mm
Outer Bore Diameter (D)130 mm
Width (B)31 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)
Weight1.85 kg
Matched ArrangementNo
Universal Matching BearingNo
Load and SpeedDynamic Radial Load90000 N
Static Radial Load66300 N
Reference Speed For Grease (r/min)4,300 rpm
Limiting Speed For Oil(r/min)5,600 rpm



What's the Performance Features of 7312B 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 7312B Bearing?


The 7312B is an angular contact ball bearing widely used in various industries due to its high precision, high speed, and load-bearing capabilities. Below are its primary application areas:

1. Machine Tools & General Machinery

  • Used in milling machines, broaching machines, and machine guards.
  • Enhances efficiency and stability with high precision and speed.
  • Also used in pressing machines, casting equipment, and heat exchangers for high-load applications [123].

2. Industrial Automation & Special Equipment

  • Common in automation devices like inserter machines, vibratory feeders, and soldering irons.
  • Good sealing and wear resistance make it suitable for dusty or moist environments.
  • Supports high-speed and precise control in magnetizers, reactors, and annealing furnaces [2716].

3. Chemical & Food Processing

  • Found in chemical reactors, pumps, and nonwoven machinery due to its corrosion-resistant materials.
  • Used in food processing equipment like grain processing and washing machines, meeting hygiene standards [12].

4. Printing, Packaging & Textile Machinery

  • Provides high-precision support in printing (e.g., offset printers) and textile machines (e.g., nonwoven machinery).
  • Low friction and compact design reduce energy use and extend life in high-speed operations [1216].

5. Other Special Applications

  • Applied in medical devices, environmental equipment, and livestock machinery.
  • Proven reliable in niche areas like electrostatic generators and shoe-making machines.

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

If you need more detailed information , feel free to ask!

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