China OEM Factory for Bicycle Front Wheel Bearings - 7312B-2RS Single Row Angular Contact Ball Bearing – CWL manufacturers and suppliers

OEM Factory for Bicycle Front Wheel Bearings - 7312B-2RS Single Row Angular Contact Ball Bearing – CWL

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Innovation, good quality and reliability are the core values of our enterprise. These principles today extra than ever form the basis of our success as an internationally active mid-size organization for Tapered roller bearings, Friction Bearing, Roller Bearing Engine, Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.

OEM Factory for Bicycle Front Wheel Bearings - 7312B-2RS Single Row Angular Contact Ball Bearing – CWL Detail:

7312B-2RS Single Row Angular Contact Ball Bearing detail Specifications:

Metric series

Material : 52100 Chrome Steel

Construction : Single Row

Seal Type : 2RS , Sealed on both sides

Seal material : NRB

Lubricant : Great Wall Motor Bearing Grease2#,3#

Temperature Range : -20°to 120°C

Limiting Speed : 3650 rpm

Cage : Nylon cage or Steel cage

Cage Material : Polyamide (PA66) or Steel

Contact Angle : 40°

Weight : 1.71 kg

Main Dimensions:

Bore diameter (d) : 60 mm

Outer diameter (D) : 130 mm

Width (B) : 31 mm

Distance side face to pressure point (a) : 55 mm

Chamfer Dimension ( r) min. : 2.1 mm

Chamfer Dimension ( r1) min. : 1.1 mm

Dynamic load ratings (Cr) : 91.20 KN

Static load ratings (Cor) : 65.55 KN

ABUTMENT DIMENSIONS

Minimum diameter shaft shoulder (da) min. : 72 mm

Maximum diameter of housing shoulder (Da) max. : 118 mm

Maximum diameter of housing shoulder (Db) max. : 123 mm

Maximum fillet radius of shaft (ra) max. : 2.1 mm

Maximum fillet radius of housing (ra1) max. : 1.0 mm

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