31311/DF

Product Attributes

Part Number	31311/DF
Type	Bearing
System of Measurement	Metric
Bearing Type	Roller
Roller Bearing Type	Tapered Roller
For Load Direction	Combined Radial and Thrust
Construction	Matched
Seal Type	Open
Cups Type	Standard
Bore Dia	55 mm
Bore Dia Tolerance	-0.015mm to 0
Outer Dia	120 mm
Outer Dia Tolerance	-0.018mm to 0
Total Width	63 mm
Total Width Tolerance	+0.2mm to -0.2mm
Width Of Inner Rings	58 mm
Width Of Inner Rings Tolerance	-0.15mm to 0
Width Of Lubrication Groove	10 mm
Diameter Of Lubrication Hole	7.5 mm
Chamfer Dimension Inner Ring	min.0.6 mm
Chamfer Dimension Outer Ring	min.2 mm
Ring Material	52100 Chrome Steel
Roller Material	52100 Chrome Steel
Cage Material	Steel
Abutment Diameter Shaft	68 mm
Abutment Diameter Housing	68 mm
Radius Of Fillet	max.2.5 mm
Reference Speed	3400 r/min
Limiting Speed	5600 r/min
Dynamic Radial Load	57600 lbf
Static Radial Load	61875 lbf
Fatigue Load Limit	7537.5 lbf
Lubrication	Required
Temperature Range	-30° to 110 °C
ABEC Rating	ABEC-1
Radial Clearance	Standard (Available in C3/C4/C5)
RoHS	Compliant
REACH	Compliant
Weight	7.17 lb

AUB Bearing Company is a manufacturer of various types of bearings, including deep groove ball bearings, thin section bearings, angular contact ball bearings, cylindrical roller bearings, tapered roller bearings, and spherical roller bearings. AUB's bearings are used in a wide range of applications, including automotive, wind energy, railway, mining, agriculture, and construction machinery. Our company's bearings are known for their high-performance, durability, and long service life.

AUB Bearing Company has a strong focus on research and development and invests heavily in new technologies and processes. The company's goal is to provide high-quality bearings that meet or exceed customer expectations in terms of performance, reliability, and durability.AUB offers customized bearing manufacturing solutions to meet the specific needs of its customers. The company has a team of experienced engineers who can design and develop bearings to meet specific requirements, such as high-speed, high-temperature, or corrosive environments.

AUB has a strong quality control system and follows rigorous testing procedures to ensure that its bearings meet international standards. The company has received certifications such as ISO 9001, ISO/TS 16949, and ISO 14001.

If you have any questions, please feel free to contact our bearing experts. 7*24 service for you. Email: info@aubearing.com.

Aubearing is an ISO certified Chinese bearing manufacturer and supplier. Competitive prices, 1,200,000+ SKU inventory, including internationally renowned brands such as SKF, Timken, Schaeffler (FAG, INA), NSK, KOYO, NTN, McGill, etc. Aubearing has invested in 300+ equipment, heat treatment facilities, lathes, grinders, milling machines, bearing production lines, CMMs, metallographic testers, etc. Leading Time<7 Days, MOQ=1.

Bearing Catalogue

Various types of ball bearings and roller bearings, size range: 1mm-2000mm. Including thin section bearings (KAYDON equivalents and 67, 68, 69 series), ceramic bearings, stainless steel bearings, deep groove ball bearings, angular contact bearings, thrust ball bearings, spherical roller bearings, cylindrical roller bearings, needle roller bearings, tapered roller bearings, precision crossed roller bearings, bushings (sleeve bearings), linear bearings, automotive wheel hub bearings and corresponding inch series.

Customization options: material (Gcr15, silicon nitride, silicon carbide, zirconium oxide, aluminum oxide, stainless steel 304, 316, 420, 440, PTFE\PEEK\nylon and other plastics), cage (brass, stamping steel, retainer), lubrication (lubricating oil, grease, high temperature resistance), clearance (C2\CN\C3\C4\C5), seal (nitrile rubber, silicone rubber, fluororubber, polypropylene rubber), shielding, etc.

31311/DF

Bearing Catalogue

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