Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 639/1.5 R-2Z

W 639/1.5 R-2Z

Dimensions

d		1.5	mm
D		5	mm
B		2.6	mm
d₁	≈	2.53	mm
D₂	≈	4.5	mm
D₃		6.5	mm
C		0.8	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	2.4	mm
d_a	max.	2.4	mm
r_a	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	0.135	kN
Basic static load rating	C₀	0.036	kN
Fatigue load limit	P_u	0.002	kN
Reference speed		200000	r/min
Limiting speed		100000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	5.9

Mass

Mass bearing

0.0003

Model Number: W 639/1.5 R-2Z
Inner Diameter：1.5mm Outer Diameter：5mm Width：2.6mm
Reference speed:100000 r/min Limiting speed:200000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2025-12-09
Application:education model Instruments,Automobile,pneumatic,labor insurance,Seals,Beauty and Body,scientific instruments,Pneumatic Actuator,small appliances,cleaning agent,Ball screw
Similar models:W 639/3 R-2RS1 W 639/2.5 R-2ZS W 639/2.5-2ZS W 639/3-2RS1 W 639/2 R-2Z W 639-2RZ W 639/3 R-2Z 6391/K-6320 W 639-2RS1 W 639-2Z
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29925	76.2	101.68	11.13	Seals
34x44x8 HMS5 V	34	44	8	Seals
6005-Z	25	47	12	Bearings, units and housings
86601	-	-	18	Seals
9688	24.6126	52.02	9.53	Seals
99547	139.0904	149.86	19.05	Seals
K 81110 TN	50	70		Bearings, units and housings
P 17 RM	17	-	-	Bearings, units and housings
S7015 CD/P4A	75	115	20	Bearings, units and housings
S7017 CD/P4A	85	130	22	Bearings, units and housings
SAF 1513 x 2.1/8	53.975	-	-	Bearings, units and housings
W 032	162.2806	207.1624	-	Bearings, units and housings

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