Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 638-2RZ

638-2RZ

Dimensions

d		8	mm
D		28	mm
B		9	mm
d₁	≈	14.8	mm
D₂	≈	22.6	mm
r_1,2	min.	0.3	mm

Abutment dimensions

d_a	min.	10.4	mm
d_a	max.	14.7	mm
D_a	max.	25.6	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	1.33	kN
Basic static load rating	C₀	0.57	kN
Fatigue load limit	P_u	0.024	kN
Reference speed		60000	r/min
Limiting speed		30000	r/min
Calculation factor	k_r	0.03
Calculation factor	f₀	12

Mass

Mass bearing

0.03

Model Number: 638-2RZ
Inner Diameter：8mm Outer Diameter：28mm Width：9mm
Reference speed:30000 r/min Limiting speed:60000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2024-12-17
Application:chuck industry,other mold,cleaning agent,Surveying Surveying Instruments,Technical Equipment,wall industry,engineering machine,Liposuction device,surgical instruments,Spectrum Products,pipe fittings Steel industry
Similar models:W 63802-2RS1 W 638/5 R-2Z W 638/4 R-2Z W 63804-2Z W 63806 W 63801-2RZ W 63800-2Z W 63802 R 638/8-2Z W 63804
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39304	100.0252	130.2	12	Seals
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71901 ACD/P4A	12	24	6	Bearings, units and housings
C 30/600 KM	600	870	200	Bearings, units and housings
K 81209 TN	45	73		Bearings, units and housings
OKC 160	160		-
PBM 162230 M1G1	16	22	30	Bearings, units and housings
W 61803-2RZ	17	26	5	Bearings, units and housings

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