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

W 638

Dimensions

d		8	mm
D		28	mm
B		9	mm
d₂	≈	13.9	mm
D₂	≈	22.38	mm
r_1,2	min.	0.3	mm

Abutment dimensions

d_a	min.	10	mm
d_a	max.	13.8	mm
D_a	max.	26	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	3.97	kN
Basic static load rating	C₀	1.96	kN
Fatigue load limit	P_u	0.083	kN
Reference speed		67000	r/min
Limiting speed		40000	r/min
Calculation factor	k_r	0.035
Calculation factor	f₀	12.4

Mass

Mass bearing

0.027

Model Number: W 638
Inner Diameter：8mm Outer Diameter：28mm Width：9mm
Reference speed:40000 r/min Limiting speed:67000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2024-12-13
Application:animal,Processing machinery,motor,test laboratory equipment and accessories,wire industry,Gear grinding machine,Sensors,car,switch,sawing machine,plastic molding
Similar models:W 638/4-2RS1 W 638/2 XR-2Z W 638/4 X-2Z W 638/3-2RS1 SAF 22638 x 6.13/16 TLC W 638/5-2Z W 63803-2RZ W 63803-2RS1 W 638/4 XR-2RS1 W 63805-2RZ
BEARING POWER International Trading Co.,Ltd. specialize in W638 products，there is large inventory of SKF W 638 Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638 Which SKF W638 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
27x37x7 HMSA10 RG	27	37	7	Seals
32936T103/DB	180	250	-	Bearings, units and housings
39922	101.6	126.97	9.53	Seals
405703	555	-	-	Seals
51247	130.175	155.6	12.7	Seals
58x80x10 HMSA10 RG	58	80	10	Seals
HA 3134 L	150.8125	200	122	Bearings, units and housings
HJ 1052	260	309.6	31.5	Bearings, units and housings
PWTR 50110.2RS	50	110	30	Bearings, units and housings
S71902 CD/P4A	15	28	7	Bearings, units and housings
W 619/6 X-2RS1	6	16	5	Bearings, units and housings
W 63800 R	10	19	7	Bearings, units and housings

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Hot number： 1400232 23984 CC/W33 319434 DA-2LS 47x70x10 HMSA10 V 6030 80009 71912 ACE/P4AL 7211 BECBJ 85x105x10 CRW1 R AH 24136 FY 25 WF GS 81138 HME 30/750 K 81214 TN SAW 23236