Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/8-2Z

W 638/8-2Z

Dimensions

d		8	mm
D		16	mm
B		6	mm
d₂	≈	9.65	mm
D₂	≈	14.2	mm
r_1,2	min.	0.2	mm

Abutment dimensions

d_a	min.	9.5	mm
d_a	max.	9.6	mm
D_a	max.	14.4	mm
r_a	max.	0.2	mm

Calculation data

Basic dynamic load rating	C	0.715	kN
Basic static load rating	C₀	0.3	kN
Fatigue load limit	P_u	0.012	kN
Reference speed		90000	r/min
Limiting speed		45000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.5

Mass

Mass bearing

0.0046

Model Number: W 638/8-2Z
Inner Diameter：8mm Outer Diameter：16mm Width：6mm
Reference speed:45000 r/min Limiting speed:90000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2024-12-13
Application:gear grinding machine,Other machinery,Body shaping,Pneumatic Actuator,internal combustion engine,cleaning agent,glass processing machine,spring industry,Low-voltage electrical equipment,industrial equipment,sheet industry
Similar models:SAF 22638 x 7 TLC 638-RZ W 638/2.5 R-2Z W 638/8 R-2Z W 63806 R-2Z W 638/2 R-2Z SAF 22638 x 6.13/16 TLC SAF 22638 x 6.7/8 W 63801-2RS1 W 63803 R
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Model No.	Inner Diameter	Outer Diameter	Width	Type
100x150x12 HMS5 V	100	150	12	Seals
24068 CCK30/W33	340	520	180	Bearings, units and housings
51124	120	155	25	Bearings, units and housings
406303	612	-	-	Seals
52226	110	190	80	Bearings, units and housings
71936 ACD/HCP4A	180	250	33	Bearings, units and housings
D/W R144 R-2Z	3.175	6.35	2.779	Bearings, units and housings
N 1009 KPHA/HC5SP	45	75	16	Bearings, units and housings
OKC 050	50		-
PSM 162225 A51	16	22	25	Bearings, units and housings
SSAFS 22516 x 2.5/8 T	66.675	-	-	Bearings, units and housings
W 636-2RS1	6	22	7	Bearings, units and housings

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Hot number： 1055x1100x25 HS8 D 1350 VE R BD-230/750 CAK/W33-AOH 30/750 23180 CA/W33 42x65x12 HMSA10 RG 500 VE R 618/7 61936 MA 7016 CE/HCP4AH1 EE 2 TN9 D/W R4 R-2Z FYTB 20 WDW FYWK 25 YTH SAW 23538 x 7 SNW 3024x4.1/8