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SELL: Thin Bearing JB Series - Type X #21291
Posted by: hedybearings
Address: xi gong industry
City: Luoyang
State: Henan
Postal code: 471000
Country: China

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The X-Type, or 4-point contact, ball bearing is ideal for moment loading. X-Type bearings are designed with gothic arch raceways creating 4 contact points between the balls and the raceways. This design is excellent for moment loading and reversing axial loading. The X-Type bearing can be used for other light loading conditions, but is not recommended in place of the C- or A-Type bearing for pure radial loads.

When specifying this type of bearing for use with axial or moment loads combined with radial loads application speed (rpm) is a real concern.

Please contact FRB Bearings for information on combined load and limiting speeds.

Product Category:Angular Contact Bearings

Bearing Design
Type:Four Point Contact Thin-section
Application:Aerospace (optional feature); Instrument / Miniature (optional feature); Medical / Dental (optional feature); Military (optional feature); Semiconductor

Design Units:Inch
Bore:2.0000 to 6.5000 inch (50.800 to 165.100 mm)
Outside Diameter:2.6250 to 7.1250 inch (66.675 to 180.975 mm)
Outer Width:0.3125 inch (7.937 mm)

Load Ratings
Static Radial:2348 to 6913 lbs (1065 to 3135 kg)
Dynamic Radial:451 to 932 lbs (205 to 423 kg)
Dynamic Axial:1132 to 2347 lbs (513 to 1064 kg)

Seals / Shields:Single Shield

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