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 4904

NA 4904

Dimensions

d		20	mm
D		37	mm
B		17	mm
F		25	mm
r_1,2	min.	0.3	mm
s	max.	0.8	mm

Abutment dimensions

d_a	min.	22	mm
D_a	max.	35	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	21.6	kN
Basic static load rating	C₀	28	kN
Fatigue load limit	P_u	3.35	kN
Reference speed		15000	r/min
Limiting speed		17000	r/min

Mass

Mass bearing

0.075

Model Number: NA 4904
Inner Diameter：20mm Outer Diameter：37mm Width：17mm
Reference speed:17000 r/min Limiting speed:15000 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：2026-04-18
Application:air purification,bathroom facilities,Processing machinery,stamping die,natural instruments,noise reduction equipment,comprehensive experiment,storage shelves,hydraulic control element,car shock absorber,chemical instruments
Similar models:RNA 4904.2RS RNA 4904 RS RNA 4904 NA 4904 NA 4904.2RS
BEARING POWER International Trading Co.,Ltd. specialize in NA4904 products，there is large inventory of SKF NA 4904 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 4904 Which SKF NA4904 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
170 VA R	153	-	-	Seals
34848	88.9	104.78	6.35	Seals
47x90x10 HMS5 RG	47	90	10	Seals
58x80x8 CRW1 V	58	80	8	Seals
99393	100.0252	109.5502	25.4	Seals
BT2B 328028/HA1	711.2	914.4	-	Bearings, units and housings
MB 16	80	112	-	Bearings, units and housings
NCF 29/800 V	800	1060	150	Bearings, units and housings
NN 3010 TN/SP	50	80	23	Bearings, units and housings
SNL 3236 G	180	-	-	Bearings, units and housings
SNLN 3030	135	-	-	Bearings, units and housings
SSAFS 23024 KA x 4	101.6	-	-	Bearings, units and housings

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Hot number： 1726306-2RS1 BD-22226 EK-AHX 3126 3216 A 3750272 6011-RS1 85762 99820 GS 81140 NF 18/500 ECM NNU 41/1250 M/W33 OKF 390 PSM 354540 A51 SSAFS 22530 x 5.1/8 SY 30 FM W 61916-2Z