Page 84 - needle bearings
P. 84
Needle roller and cage assemblies for connecting rod bearings
NTN
Needle Roller and Cage Assemblies for connecting rod bearings
These needle roller and cage assemblies are direction fluctuate rapidly as well as under an high
specially designed so as to be adaptable to the temperature and strict lubrication environment.
operating environmental conditions for the connecting Therefore, special measures are manly undertaken for
rods of small and medium reciprocal engines and the cage structure, material and machining method so
compressors. that the needle roller and cage assemblies are
The connecting rods are used under a severe resistible to the said operating condition and
operating condition wherein acting load magnitude and environment.
Type of Applied shaft
needle roller and cage assembly Location Cage type diameter (mm) Composition of nominal bearing number
PK
PK 20ʷ26ʷ13.8 ʷ 1
Tail code
П10ʙП38 Width
Roller set outer diameter
Inscribed circle diameter
Type code
Machined ring type
GPK
GPK 20 ʷ 26 ʷ 13.8 X
Large end side П10ʙП38 Tail code
Width
Roller set outer diameter
Inscribed circle diameter
Type code
KMJʝS
KMJ 10 ʷ 14 ʷ 8.8 S
Tail code
Welded type П10ʙП38 Width
Roller set outer diameter
Inscribed circle diameter
Type code
KBK
KBK 14 ʷ 18 ʷ 17
Machined ring type П7ʙП25 Width
Roller set outer diameter
Inscribed circle diameter
Small end side Type code
KVʝS KV 8 ʷ 11 ʷ 8 S V4
Tail code
Tail code
Welded type П7ʙП100 Width
Roller set outer diameter
Inscribed circle diameter
Type code
B-22