Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/1.5 R-2Z

W 638/1.5 R-2Z

Dimensions

d		1.5	mm
D		4	mm
B		2	mm
d₁	≈	2.15	mm
D₂	≈	3.5	mm
D₃		5	mm
C		0.6	mm
r_1,2	min.	0.05	mm

Abutment dimensions

d_a	min.	1.9	mm
d_a	max.	2.1	mm
r_a	max.	0.05	mm

Calculation data

Basic dynamic load rating	C	0.062	kN
Basic static load rating	C₀	0.016	kN
Fatigue load limit	P_u	0.001	kN
Reference speed		220000	r/min
Limiting speed		110000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	6.4

Mass

Mass bearing

0.0001

Model Number: W 638/1.5 R-2Z
Inner Diameter：1.5mm Outer Diameter：4mm Width：2mm
Reference speed:110000 r/min Limiting speed:220000 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:Internal thread type,pump industry,raw material accessories,Insect Capture,Small air generators,key lock,thread processing machine,surgical instruments,altimeter etc,other rubber,Roller mill
Similar models:W 638/3 R-2RS1 SAF 22638 x 6.13/16 W 63805 R-2Z W 63804-2RZ W 63806 W 638/2-2Z W 638/4-2Z W 63803 R 638/5-2Z W 63802-2RS1
BEARING POWER International Trading Co.,Ltd. specialize in W638/1.5R-2Z products，there is large inventory of SKF W 638/1.5 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 638/1.5 R-2Z Which SKF W638/1.5R-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
1100 VL R	1000	-	-	Seals
235x270x16 HDS2 R	235	270	16	Seals
7228 ACD/HCP4A	140	250	42	Bearings, units and housings
HM 231132/110	139.7	236.538	57.15	Bearings, units and housings
MS 30/560	-	-	40	Bearings, units and housings
NNU 4924 BK/SPW33	120	165	45	Bearings, units and housings
NU 228 ECJ	140	250	42	Bearings, units and housings
OKTC 485	-	710	-
PCMW 386201.5 E	38	62	-	Bearings, units and housings
SAF 22509 x 1.1/2	38.1	-	-	Bearings, units and housings
SNL 3260 G	300	-	-	Bearings, units and housings
YAT 208	40	80	36	Bearings, units and housings

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Hot number： 22214 EK 575 VE R 61921 BT4B 331189 E/C600 FSAF 1615 TLC FY 1.3/4 DTF FYTB 1.15/16 LDW GS 81228 GX 100 F NATV 10 NNU 4944 B/SPW33 NU 312 ECP RN-2x17.8 BF/G2 S7005 CE/HCP4A W 619/7 R-2RS1