Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/2.5-2Z

W 638/2.5-2Z

Dimensions

d		2.5	mm
D		6	mm
B		2.6	mm
d₁	≈	3.7	mm
D₂	≈	5.4	mm
r_1,2	min.	0.08	mm

Abutment dimensions

d_a	min.	3.1	mm
d_a	max.	3.6	mm
D_a	max.	5.5	mm
r_a	max.	0.08	mm

Calculation data

Basic dynamic load rating	C	0.117	kN
Basic static load rating	C₀	0.036	kN
Fatigue load limit	P_u	0.002	kN
Reference speed		170000	r/min
Limiting speed		85000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.1

Mass

Mass bearing

0.0003

Model Number: W 638/2.5-2Z
Inner Diameter：2.5mm Outer Diameter：6mm Width：2.6mm
Reference speed:85000 r/min Limiting speed:170000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2021-06-03
Application:diagnostic test paper,raw material accessories,Low-voltage electrical equipment,Cylinder Standard,Industrial Adhesive,Liposuction device,security equipment,Individual Wire,diving equipment,lifting tackle,Forging machine
Similar models:W 638/8 R-2Z SAF 22638 x 6.7/8 W 638/1.5 R-2Z W 63805 R-2Z W 638/1 W 638/4-2RZ W 638/5 R-2Z SAF 22638 x 6.7/8 TLC W 63801-2Z W 638/1.5-2Z
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Model No.	Inner Diameter	Outer Diameter	Width	Type
150x200x12 HMSA10 RG	150	200	12	Seals
317-2Z	85	180	41	Bearings, units and housings
7308 BEGBP	40	90	23	Bearings, units and housings
78020	198.12	254	-	Seals
91330	-	-	38.1	Seals
HME 30/750	90	-	750	Bearings, units and housings
K 32x37x27	32	37	27	Bearings, units and housings
OKF 480	480	1005	-
P 85 R-40 FM	40	-	-	Bearings, units and housings
S7210 ACD/HCP4A	50	90	20	Bearings, units and housings
SHT 22	22	-	-	Coupling systems
W 61805 R	25	37	7	Bearings, units and housings

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