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 NA 4911

NA 4911

Dimensions

d		55	mm
D		80	mm
B		25	mm
F		63	mm
r_1,2	min.	1	mm
s	max.	1.5	mm

Abutment dimensions

d_a	min.	60	mm
D_a	max.	75	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	57.2	kN
Basic static load rating	C₀	106	kN
Fatigue load limit	P_u	13.2	kN
Reference speed		6300	r/min
Limiting speed		7000	r/min

Mass

Mass bearing

0.39

Model Number: NA 4911
Inner Diameter：55mm Outer Diameter：80mm Width：25mm
Reference speed:7000 r/min Limiting speed:6300 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：2026-04-20
Application:atomizer class,sawing machine,Spectrum Products,Anesthetic Equipment,spreader series,printing machinery,security,test equipment,vertical sawing machine,medical Equipment,quality inspection equipment
Similar models:RNA 4911 NA 4911
BEARING POWER International Trading Co.,Ltd. specialize in NA4911 products，there is large inventory of SKF NA 4911 Needle roller bearings with machined rings. We has been built up long-term cooperation with SKF company, could make a bulk order of the NA 4911 Which SKF NA4911 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
15450	39.4208	63.55	12.7	Seals
50x85x10 HMSA10 V	50	85	10	Seals
61812-2RS1	60	78	10	Bearings, units and housings
62203-2RS1	17	40	16	Bearings, units and housings
7024 CE/HCP4A	120	180	28	Bearings, units and housings
79960	203.2	228.6	15.88	Seals
BTW 95 CTN9/SP	95	145	60	Bearings, units and housings
GEG 25 ES	25	42	16	Bearings, units and housings
KMT 0	14	-	10	Bearings, units and housings
S7026 CD/P4A	130	200	33	Bearings, units and housings
SNW 122x3.13/16	96.8375	110	110.1852	Bearings, units and housings
SY 1.3/16 TF/VA228	30.163	-	-	Bearings, units and housings

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