Bearings, units and housings -- Roller bearings -- Needle roller bearings -- Needle roller bearings with machined rings -- Needle roller bearings, with machined rings, with an inner ring SKF NKI 38/20

NKI 38/20

Dimensions

d		38	mm
D		53	mm
B		20	mm
F		43	mm
r_1,2	min.	0.3	mm
s	max.	0.5	mm

Abutment dimensions

d_a	min.	40	mm
D_a	max.	51	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	27.5	kN
Basic static load rating	C₀	55	kN
Fatigue load limit	P_u	6.8	kN
Reference speed		9500	r/min
Limiting speed		11000	r/min

Mass

Mass bearing

0.13

Model Number: NKI 38/20
Inner Diameter：38mm Outer Diameter：53mm Width：20mm
Reference speed:11000 r/min Limiting speed:9500 r/min
Type：Bearings, units and housings Roller bearings Needle roller bearings Needle roller bearings with machined rings
Details： Needle roller bearings with machined rings Needle roller bearings, with machined rings, with an inner ring
Update date：2026-04-16
Application:granulator,wheel lathe,Insect Count,stamping die and its equipment,Solenoid Valves,Animal Tracking,gas turbine,Rolling mill gear box,Roller mill,Pneumatic Actuator,Optical Instruments
Similar models:SNW 138x6.15/16 H 2338 W 638/4 X-2RZ SNL 3138 ATURT SAF 22638 x 6.7/8 SAF 22238 W 638/8 R-2Z A 4059/A 4138 AH 2338 G SAFS 23038 KATLC x 6.13/16
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Hot number： 408603 60/500 N1MAS 629-2Z 7314 BECBJ 99131 BC4B 457939 VAA GEH 10 C GEZH 508 ES-2RS IR 130x150x50 NNC 4936 CV OKCX 620 PBM 142020 M1G1 S71910 CE/HCP4A SYNT 90 LW TU 35 TF