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

W 639/2 R-2Z

Dimensions

d		2	mm
D		6	mm
B		3	mm
d₁	≈	3	mm
D₂	≈	5.4	mm
D₃		7.5	mm
C		0.8	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	2.9	mm
d_a	max.	2.9	mm
r_a	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	0.19	kN
Basic static load rating	C₀	0.051	kN
Fatigue load limit	P_u	0.002	kN
Reference speed		180000	r/min
Limiting speed		90000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	6

Mass

Mass bearing

0.00041

Model Number: W 639/2 R-2Z
Inner Diameter：2mm Outer Diameter：6mm Width：3mm
Reference speed:90000 r/min Limiting speed:180000 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:electrostatic protection,universal category,lifting equipment Hoisting hoist,Oral Image,hook,knitted fabrics,ECG,tapered grinder,lifting chain,defogging and degreasing,mobile toilet
Similar models:W 639-2Z 316639 AG W 639/2 R-2Z W 639/2.5 R-2ZS W 639/2-2Z W 639/1.5-2Z W 639-2RS1 W 639/2.5-2ZS W 639/1.5 R-2Z W 639/3 R-2RS1
BEARING POWER International Trading Co.,Ltd. specialize in W639/2R-2Z products，there is large inventory of SKF W 639/2 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 639/2 R-2Z Which SKF W639/2R-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
100x125x12 HMSA10 V	100	125	12	Seals
155x180x15 HMS5 RG	155	180	15	Seals
472001	1844	-	-	Seals
71826 CD/P4	130	165	18	Bearings, units and housings
EE 649240/649310	609.6	787.4	93.663	Bearings, units and housings
FYTJ 1.1/2 TF	38.1	-	-	Bearings, units and housings
NNU 41/1250 K30M/W33	1250	1950	710	Bearings, units and housings
PBMF 15017070 M1G1	150	170	70	Bearings, units and housings
PCM 105110115 E	105	110	115	Bearings, units and housings
SAFS 22520 x 3.3/8	85.725	-	-	Bearings, units and housings
SNW 36x6.3/8	161.925	230.3272	127.7112	Bearings, units and housings
SYR 2 1/2 N-118	63.5	-	-	Bearings, units and housings

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Hot number： 14260 7014 CE/P4AL1 9903 FYE 2 1/2 N IR 220x240x50 K 90x98x27 NKI 100/30 OKF 690 SAFS 22530 x 5.3/8 T SAFS 23044 KAT x 7.7/8 SNL 3064 ATURA SY 1.3/16 TF/VA201 SYJ 520 SYWK 25 YTH Z 203 F