Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 638/5-2Z

638/5-2Z

Dimensions

d		5	mm
D		11	mm
B		5	mm
d₂	≈	6.2	mm
D₂	≈	9.9	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	5.8	mm
d_a	max.	6	mm
D_a	max.	10.2	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.64	kN
Basic static load rating	C₀	0.26	kN
Fatigue load limit	P_u	0.011	kN
Reference speed		120000	r/min
Limiting speed		60000	r/min
Calculation factor	k_r	0.015
Calculation factor	f₀	11

Mass

Mass bearing

0.0016

Model Number: 638/5-2Z
Inner Diameter：5mm Outer Diameter：11mm Width：5mm
Reference speed:60000 r/min Limiting speed:120000 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:hydraulic connector,Film machine,pressure control valve,Storage Tool,Laser Cutting,Hydraulic Couplings,tire industry,Logistics Equipment,plant determination,Textile Industry Accessories and Accessories,teaching equipment
Similar models:W 63804 SAF 22638 x 6.13/16 W 63800 R-2RS1 W 63801 638/5-2Z SAF 22638 x 6.13/16 TLC W 63800-2RS1 W 638/3 R-2Z SAF 22638 x 7 T W 63804 R
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Model No.	Inner Diameter	Outer Diameter	Width	Type
14359	36.5252	61.9	6.35	Seals
405003	488	-	-	Seals
619/7-2Z	7	17	5	Bearings, units and housings
99821	36.5252	45.2374	17.4752	Seals
BT2B 334087/HA3	305.033	560	-	Bearings, units and housings
TQO design	409.575	546.1	-	Bearings, units and housings
BTW 150 CM/SP	150	225	90	Bearings, units and housings
IR 40x50x22	40	50	22	Bearings, units and housings
PCZ 1014 M	15.875	18.25625	22.225	Bearings, units and housings
PRM 404430	40	44	30	Bearings, units and housings
SAF 1620 x 3.1/2 T	88.9	-	-	Bearings, units and housings
SAW 23236 T	180	-	-	Bearings, units and housings

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