Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/4-2RS1

W 638/4-2RS1

Dimensions

d		4	mm
D		9	mm
B		4	mm
d₁	≈	5.2	mm
D₂	≈	8.1	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	4.8	mm
d_a	max.	5.1	mm
D_a	max.	8.2	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.364	kN
Basic static load rating	C₀	0.114	kN
Fatigue load limit	P_u	0.005	kN
Reference speed		0	r/min
Limiting speed		40000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	6.5

Mass

Mass bearing

0.001

Model Number: W 638/4-2RS1
Inner Diameter：4mm Outer Diameter：9mm Width：4mm
Reference speed:40000 r/min Limiting speed:0 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2024-12-12
Application:plastic molding,water,animal anatomy,set bacteria instrument,Rolling mill,scientific instruments,rock drilling machinery,metallurgy,journal lathe,climb ladder,Security Equipment
Similar models:638-RZ W 638/2.5-2Z SAF 22638 x 6.13/16 W 638/4-2RS1 W 638/9-2Z W 63803-2RZ W 63802-2Z W 63803-2RS1 W 63805-2RZ W 63801 R
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Model No.	Inner Diameter	Outer Diameter	Width	Type
19x42x6 HMS5 V	19	42	6	Seals
2205 E-2RS1KTN9	25	52	18	Bearings, units and housings
231/530 CAK/W33 + AOH 31/530	500	870	272	Bearings, units and housings
28746	73.025	98.45	11.13	Seals
40x58x7 HMSA10 V	40	58	7	Seals
485 VE R	473	-	-	Seals
FSAF 22613 x 2.1/8	53.975	-	-	Bearings, units and housings
FY 1.15/16 TF	49.213	-	-	Bearings, units and housings
GS 81234	170	240	16.5	Bearings, units and housings
SAW 23532 T	138.1125	-	-	Bearings, units and housings
SIR 50 ES	50	-	35	Bearings, units and housings
WS 89320	100		14.5	Bearings, units and housings

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Hot number： 140 VA V 210-2Z 25x42x10 HMS5 V 32x52x8 HMS5 V 71917 CD/P4A 99253 BT4-8127 E1/C700 FYTB 15/16 RM HME 3196 KD2-303 KMFE 13 H NJ 211 ECPH NK 73/35 S7007 ACE/HCP4A W 638/2 R-2Z