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21311E Double Row Spherical Roller Bearing E Optimized High Load Straight Bore 55x120x29mm Mining Crusher Heavy Industrial Equipment

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21311E Double Row Spherical Roller Bearing E Optimized High Load Straight Bore 55x120x29mm Mining Crusher Heavy Industrial Equipment

Model Number : 21311 E

Oem : Accept OEM Orders

Payment Terms : T/T,Paypal

Load Capacity : High Radial and Axial Load

Supply Ability : 1000.pcs / Month

Innerring Bore Diameter : varies (e.g., 20mm to 500mm)

MOQ : 100.PCS

Delivery Time : 5 working days

Color : golden

Grade : P6

Price : negotiation

Industry : Fan bearings

Packaging Details : Standard Carton Box

Brand Name : GQZ

Material : High carbon chromium steel

Certifiion : ISO9001/ISO14001/GJB9001

Origin : DALIAN CITY WAFANGDIAN

Place of Origin : CHINA

Certifiexcavatore : ISO9001:2000 TS16949

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1. Product Overview

The 21311E is double row E-type optimized high-capacity spherical roller bearing with straight cylindrical bore, standard dimension 55×120×29mm. Suffix E stands for upgraded internal geometry without inner ring center rib, fitted with longer crowned rollers and two stamped steel cages, boosting dynamic load capacity by 20%~30% vs standard series. Spherical outer raceway delivers strong self-aligning performance to offset shaft deflection and assembly misalignment, withstands heavy combined radial load, bidirectional axial thrust and frequent impact shocks. Outer ring built-in lubriion groove & holes support periodic regreasing, widely used in mining crushers, cement mixers, belt conveyors, heavy gearboxes and construction rotary equipment.


Product Tags:

Double Row Spherical Roller Bearing E Optimized

      

High Load Spherical Roller Bearing 55x120x29mm

      

Mining Crusher Spherical Roller Bearing Heavy Industrial

      
Wholesale 21311E Double Row Spherical Roller Bearing E Optimized High Load Straight Bore 55x120x29mm Mining Crusher Heavy Industrial Equipment from china suppliers

21311E Double Row Spherical Roller Bearing E Optimized High Load Straight Bore 55x120x29mm Mining Crusher Heavy Industrial Equipment Images

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