Seals -- Industrial seals -- Power transmission seals -- Radial shaft seals for general industrial applications -- SKF 31139

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
Inner Diameter：79.375mm Outer Diameter：101.68mm Width：9.53mm
Reference speed:- Limiting speed:-
Type：Seals Industrial seals Power transmission seals Radial shaft seals for general industrial applications
Details： Radial shaft seals for general industrial applications
Update date：2025-12-09
Application:Control,pressure control valve,Optical Instruments,organic raw materials,chuck industry,Cutting Machine,building decoration raw materials and accessories,Cylinder Standard,other rubber,electronic materials,packaging materials
Similar models:31139
BEARING POWER International Trading 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
6202-2Z	15	35	11	Bearings, units and housings
71915 CD/HCP4AH1	75	105	16	Bearings, units and housings
D/W R3A	4.762	15.875	4.978	Bearings, units and housings
FSAF 22520 x 3.3/8	85.725	-	-	Bearings, units and housings
GB 3030	-	-	58	Bearings, units and housings
KD10-454	77	324	-	Coupling systems
KRVE 30 PPA	-	30	40	Bearings, units and housings
RNA 6910	58	72	40	Bearings, units and housings
SAF 23056 KATLC x 9.15/16	252.4125	-	-	Bearings, units and housings
YARAG 206-104	31.75	62	38.1	Bearings, units and housings
TU 35 TF	35	-	-	Bearings, units and housings
W 639/2.5-2ZS	2.5	7	3.5	Bearings, units and housings

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