Page 237 - needle bearings

Cam followers stud type truck rollers
NTN

Follower components Features

Outer ring outer diameter :П12
With metric series cage
Without seal
Outer profile : spherical
¡Standard cage is of steel plate punched type.
Stud head : with hexagon hole
¡Polyamide resin cage (Tail code: T2) can be used, too.
Cage : resin cage
ɹɹAllowable temperature: 120˚C
Grease : already filled ɹɹContinuous operating temperature: 100˚C or less
¡Suited to high speed.
¡Due to much filled grease, these types can be used for a long time
ɹwithout additional greasing though actual operating conditions.
¡The standard follower of Type KRT has no hexagon hole (tail code: H),
ɹbut with a threaded plug with hexagon socket as standard.
Outer ring outer diameter :П32
¡The follower with neither seal nor grease code as tail code is of
With metric series cage
ɹgrease non-filled type.
Stud head : with recessed slot
for screwdriver use
and tapped hole
Outer surface profile : cylindrical
Seal : with
Grease : already filled.

Outer ring outer diameter :П47.825
Inch series full-complement roller type
Stud head : with recessed slot
for screwdriver use
Outer surface profile : cylindrical
Seal : with
Grease : already filled.

¡Suited to high load.
¡Lower allowable running speed than the type with cage.
¡Grease replenishing interval must be shortened due to the small
ɹspacing volume.
Outer ring outer diameter :П32 ¡he standard follower of Type KRVT has no hexagon hole (tail code H),
ɹbut with a threaded plug with hexagon socket as standard.
With metric series cage
Stud head : With recessed slot
for screwdriver use
and tapped hole
Outer surface profile : cylindrical
Seal : with
Grease : already filled.

B-175