11 Bearing life Bearings are subjected to certain intensity of repeating stress on their track ring and rolling element even during operation under proper loading appropriate mounting and sufficient lubrication The stress may cause scaly damage formed on surface after certain time period due to its concentration at shallow
BEARINGS WITH INNER RING WITHOUT INNER RING 263 NOSE SEIKO COLTD INTERCHANGE ROLLER CAM NEEDLE ROLLER ROLLER CAM FOLLOWERS NEEDLE ROLLER NK NKI NK type of 10mm or less inscribed circle diameter (Fw) is without oil hole NKI type of 8mm or less inscribed circle diameter
In addition to the information provided on this page consider what is provided under Needle roller bearings with machined rings For information on selecting the appropriate bearing for a given application and interpreting the data on this page refer to Bearing selection process For general information on rolling bearings
INA machined needle roller bearings NK and NKI are successful machine elements for the design of radially compact bearing arrangements with very high load carrying capacity They consist of machined bearing rings and needle roller and cage assemblies with cages made from either polyamide or deep drawn steel strip
NKI 55/35 Popular item Dimensions In addition to the information provided on this page consider what is provided under Needle roller bearings with machined rings For information on selecting the appropriate bearing for a given application and interpreting the data on this page refer to Bearing selection process
Tipologías de los rodamientos de agujas Needle roller bearings types TipoType Rodamientos de agujas con aro interior (serie NKI • NKIS • NA 49/48 • NA 69) NKI 38/20 NKI 38/30 NKI 40/20 NKI 40/30 NKI 42/20 NKI 42/30 NKI 45/25 NKI 45/35 NKI 50/25 NKI 50/35 NKI 55/25 NKI 55/35
CAM FOLLOWERS NEEDLE ROLLER BEARINGS STAINLESS STEEL Technical information NEEDLE ROLLER BEARINGS (P1051) CAM FOLLOWERS 06 06 68 68 47 500 64 100 103 000 151 000 6 500 6 500 187 260 IR556025 IR556035 NKI 55/25 NKI 55/35 63 RNA 4911 — — — RNA 5911 —
Principal dimensions Basic load ratings Fatigue load limit Speed ratings Designation dynamic static Reference speed Limiting speed d D B C C C0 Pu mm kN kN r/min 5 15 12 38 425 0465 32000 36000 ▻ NKI 5/12 TN 5 15 16 501 585 067 32000 36000 NKI 5/16 TN 6 16 16 572 72
