Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 639/2.5 R-2ZS

W 639/2.5 R-2ZS

Dimensions

d		2.5	mm
D		7	mm
B		3.5	mm
d₁	≈	3.85	mm
D₂	≈	6.2	mm
D₃		8.5	mm
C		0.9	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	3.7	mm
d_a	max.	3.8	mm
r_a	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	0.221	kN
Basic static load rating	C₀	0.067	kN
Fatigue load limit	P_u	0.003	kN
Reference speed		160000	r/min
Limiting speed		80000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	6.6

Mass

Mass bearing

0.00071

Model Number: W 639/2.5 R-2ZS
Inner Diameter：2.5mm Outer Diameter：7mm Width：3.5mm
Reference speed:80000 r/min Limiting speed:160000 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:Tool,container finishing,marine analysis,Leather Products,vacuum filter,coal,Vertical machining,Optical detection,other rubber,rubber products machinery and equipment,food sterilization
Similar models:W 639/2-2Z 316639 AG W 639/3 R-2Z W 639-2RS1 LL 639249/210 W 639/3-2Z W 639/3-2RS1 W 639/2.5-2ZS 6391/K-6320 W 639
BEARING POWER International Trading Co.,Ltd. specialize in W639/2.5R-2ZS products，there is large inventory of SKF W 639/2.5 R-2ZS Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 639/2.5 R-2ZS Which SKF W639/2.5R-2ZS 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
3200 A-2RS1	10	30	14	Bearings, units and housings
38x58x10 HMSA10 RG	38	58	10	Seals
48x72x7 HMS5 RG	48	72	7	Seals
52204	15	40	26	Bearings, units and housings
7515	19.05	34.93	6.35	Seals
95x125x12 HMSA10 V	95	125	12	Seals
BC2B 319961	370	520	220	Bearings, units and housings
FSAF 22517 T	74.6125	-	-	Bearings, units and housings
FY 50 TDW	50	-	-	Bearings, units and housings
H 2324	110	120	112	Bearings, units and housings
OKCS 310	310		-
WS 89424	120		26	Bearings, units and housings

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