Product Specifications

Brand: Koyo (JTEKT)
Item Number: B-55
Category: Needle Roller and Cage Assembly (Drawn Cup Needle Roller Bearing)
Seal / Closure: Open (No Seal)
Series: B (Standard Series, Full Complement)
Lubrication Hole: No Hole
Standards Met: ANSI/ABMA 18.2, ASTM F2162
Max Operating Temperature: +250°F
Max RPM: 8300 rpm
UPC: 605790215308
EAN: 605790215308
Country of Origin: United States

Dimensions & Weight

Bore (Inner Diameter): 5/16 in (0.3125 in)
Outside Diameter: 1/2 in (0.5000 in)
Overall Width: 5/16 in (0.3125 in)
Weight: 0.01 lbs

OVERVIEW

• Needle roller and cage assemblies consist of a complement of needle rollers held in place by a cage
• With no inner or outer ring, the low cross section provides maximum load-carrying capability within the smallest envelope
• The mating shaft and housing are normally used as inner and outer raceways
• Unsealed closure
• B Series: Standard Series full complement of mechanically-retained needle rollers
• BH Series: Heavy Series full complement of mechanically-retained needle rollers
• -OH designates with oil hole for lubrication

PACKAGE INCLUDES: ONE (1) KOYO Bearing B55