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：2025-12-09
Application:climb ladder,Generator,insect experimental analysis instrument,wall materials,other processing,shoe-making machinery,decoration machinery,ignition system,extruder,industrial skin care,magnetic elements
Similar models:NA 4904.2RS RNA 4904.2RS RNA 4904 RNA 4904 RS NA 4904
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.

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48x62x8 HMS5 V	48	62	8	Seals
53322 M + U 322	110	190	67.2	Bearings, units and housings
7312 BEGAP	60	130	31	Bearings, units and housings
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NU 1007 ECPH	35	62	14	Bearings, units and housings
SSAFS 22517 x 2.7/8	73.025	-	-	Bearings, units and housings
SYFWK 1. LTHR	25.4	-	-	Bearings, units and housings
W 6010-2Z	50	80	16	Bearings, units and housings

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