Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/3 R-2RS1

W 638/3 R-2RS1

Dimensions

d		3	mm
D		7	mm
B		3	mm
d₂	≈	3.85	mm
D₂	≈	6.35	mm
D₃		8.1	mm
C		0.8	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	3.7	mm
d_a	max.	3.8	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.178	kN
Basic static load rating	C₀	0.057	kN
Fatigue load limit	P_u	0.002	kN
Reference speed		0	r/min
Limiting speed		45000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.1

Mass

Mass bearing

0.00051

Model Number: W 638/3 R-2RS1
Inner Diameter：3mm Outer Diameter：7mm Width：3mm
Reference speed:45000 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：2021-06-04
Application:hydraulic control element,hydraulic connector,Medical equipment,Textile Accessories,filter paper products,Hairbrush device,bio-chemical,Food testing,multi-knife lathe,shaft milling machine,rolling mill roll neck and slowdown device
Similar models:SAF 22638 x 7 W 638/8 R-2Z W 638/4 R-2Z W 63802 R W 63803 W 638/4 R-2RS1 W 638/5-2Z W 63805 R W 638/3 R-2Z 638/8-2Z
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Model No.	Inner Diameter	Outer Diameter	Width	Type
100x140x12 HMS5 V	100	140	12	Seals
19643	50.0126	73.03	11.91	Seals
30208	40	80	19.75	Bearings, units and housings
91310	-	-	20	Seals
BT4B 331089 CG/HA1	685.8	876	-	Bearings, units and housings
BD-C 3044 K-OH 3044 H	200	340	90	Bearings, units and housings
GEM 50 ES-2RS	50	75	28	Bearings, units and housings
KRV 22 PPA	-	22	36	Bearings, units and housings
NK 47/30	47	57	30	Bearings, units and housings
OKBS 110	110	-	-
S71902 CD/P4A	15	28	7	Bearings, units and housings
ZW 12x17	12	17	2	Seals

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