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：2025-12-09
Application:dye pigments,machine tool spindle,multi-knife lathe,Industrial,air shower etc,Material handling equipment,Other Measurements,security equipment,forklift truck,medical equipment,product accessories
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
1650580	419.1	469.9	25.4	Seals
37x50x6 HMSA10 V	37	50	6	Seals
6302-2Z	15	42	13	Bearings, units and housings
7022 CD/HCP4A	110	170	28	Bearings, units and housings
81217 TN	85	125	31	Bearings, units and housings
99840	63.5	71.628	23.8252	Seals
K 30x40x30	30	40	30	Bearings, units and housings
RNA 2201.2RS	16	32	13.8	Bearings, units and housings
SAF 22634 x 5.13/16 T	147.6375	-	-	Bearings, units and housings
SAFS 23038 KA x 7	177.8	-	-	Bearings, units and housings
SNL 3048	150.8125	-	-	Bearings, units and housings
W 617/9 R	9	14	3	Bearings, units and housings

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