Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/2.5 R-2Z

W 638/2.5 R-2Z

Dimensions

d		2.5	mm
D		6	mm
B		2.6	mm
d₁	≈	3.7	mm
D₂	≈	5.4	mm
D₃		7.1	mm
C		0.8	mm
r_1,2	min.	0.08	mm

Abutment dimensions

d_a	min.	3.1	mm
d_a	max.	3.6	mm
r_a	max.	0.08	mm

Calculation data

Basic dynamic load rating	C	0.117	kN
Basic static load rating	C₀	0.036	kN
Fatigue load limit	P_u	0.002	kN
Reference speed		170000	r/min
Limiting speed		85000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.1

Mass

Mass bearing

0.0004

Model Number: W 638/2.5 R-2Z
Inner Diameter：2.5mm Outer Diameter：6mm Width：2.6mm
Reference speed:85000 r/min Limiting speed:170000 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:lifting equipment Hoisting hoist,climb ladder,Individual Wire,Textile Accessories,Gripper Swing,gas turbine,switch,Material handling equipment,Antenna Potentials,Pump,Hair styling device
Similar models:W 63801 R-2Z W 638/8 R-2Z W 63800-2Z W 638/3 R-2Z 638-RZ W 63801-2RZ W 638/1 W 63803-2RZ W 63801-2RS1 W 63806-2RS1
BEARING POWER International Trading Co.,Ltd. specialize in W638/2.5R-2Z products，there is large inventory of SKF W 638/2.5 R-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/2.5 R-2Z Which SKF W638/2.5R-2Z is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
1013470	257.175	304.8	19.05	Seals
15940	40.4876	61.9	7.95	Seals
BD-22244-2CS5K/VT143-OH 3144 H	200	400	108	Bearings, units and housings
25590/25520	45.618	82.931	23.812	Bearings, units and housings
7019 CD/P4AL	95	145	24	Bearings, units and housings
71938 ACD/HCP4A	190	260	33	Bearings, units and housings
BC1-8028	399.872	500	46	Bearings, units and housings
C 31/630 MB	630	1030	315	Bearings, units and housings
BD-C 3130 K-H 3130 L	135	250	80	Bearings, units and housings
PBMF 354520 M1G1	35	45	20	Bearings, units and housings
SY 40 FM	40	-	-	Bearings, units and housings
W 619/7 R-2RS1	7	17	5	Bearings, units and housings

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