Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 61904 R-2Z

W 61904 R-2Z

Dimensions

d		20	mm
D		37	mm
B		9	mm
d₂	≈	23.65	mm
D₂	≈	33.5	mm
D₃		40	mm
C		2	mm
r_1,2	min.	0.3	mm

Abutment dimensions

d_a	min.	22	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	5.53	kN
Basic static load rating	C₀	3.65	kN
Fatigue load limit	P_u	0.156	kN
Reference speed		43000	r/min
Limiting speed		20000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	14.7

Mass

Mass bearing

0.039

Model Number: W 61904 R-2Z
Inner Diameter：20mm Outer Diameter：37mm Width：9mm
Reference speed:20000 r/min Limiting speed:43000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-06-24
Application:Digital Generator,storage and transportation equipment,manual Tools,hot and cold box,static control,Gas turbine,car,Roller,metering pump,PVC,Surveying Surveying Instruments
Similar models:61904-2RZ 61904 61904-2RS1 W 61904 W 61904 R-2Z W 61904-2RS1 W 61904-2Z W 61904 R W 61904-2RZ
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Model No. Inner Diameter Outer Diameter Width Type

23164 CCK/W33
6302-2Z
85874
HM 31/1060
SNW 117x2.7/8

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Hot number： 1400 VL R 17780 32347 316115 34279 35x56x10 HMS5 V 4310 ATN9 6352 M 71916 ACD/HCP4A AOHX 3088 G C 3168 M NJ 2352 ECMA PRM 455060 SAF 22238 T SAFS 22515-11 TLC

Model No.	Inner Diameter	Outer Diameter	Width	Type
23164 CCK/W33
6302-2Z
85874
HM 31/1060
SNW 117x2.7/8