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SKF 31139 Radial shaft seals

31139

US stock number			31139
Design			CRWA1
Lip material			R

Dimensions

d₁	79.375	mm
D	101.68	mm
b	9.53	mm

Application and operating conditions

Pressure differential	max.	0.07	MPa
Operating temperature	min.	-40	°C
Operating temperature	max.	100	°C
Operating temperature, short period	max.	120	°C
Rotational speed	max.	4331	r/min
Shaft surface speed	max.	18	m/s

Model Number:31139(31139)
Inner Diameter d:79.375mm Outer Diameter D:101.68mm Width b:9.53mm
（unit:mm）
Type:Radial shaft seals
Update date:2025-12-15
Application:CNC,equipment,luminescent reagent,aerial work platform,centrifugal pump,Broadcasting System,pneumatic Pump,Seals,wheel lathe,medical equipment,metallurgical mold
Similar models:SKF 31139(31139)
Tianjin FLD Technical Co.,Ltd. specialize in 31139 products，there is large inventory of SKF 31139 Radial shaft seals for general industrial applications. We has been built up long-term cooperation with SKF company, could make a bulk order of the 31139 Which SKF 31139 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.

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