Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/2.5 R-2Z

W 638/2.5 R-2Z

Dimensions

d		2.5	mm
D		6	mm
B		2.6	mm
d₁	≈	3.7	mm
D₂	≈	5.4	mm
D₃		7.1	mm
C		0.8	mm
r_1,2	min.	0.08	mm

Abutment dimensions

d_a	min.	3.1	mm
d_a	max.	3.6	mm
r_a	max.	0.08	mm

Calculation data

Basic dynamic load rating	C	0.117	kN
Basic static load rating	C₀	0.036	kN
Fatigue load limit	P_u	0.002	kN
Reference speed		170000	r/min
Limiting speed		85000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.1

Mass

Mass bearing

0.0004

Model Number: W 638/2.5 R-2Z
Inner Diameter：2.5mm Outer Diameter：6mm Width：2.6mm
Reference speed:85000 r/min Limiting speed:170000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-17
Application:powder metallurgy,hydraulic pressure gauge,Storage Tool,root canal filling,Spectrum Products,medical equipment,storage and transportation equipment,rehabilitation training equipment,Die,Optical Instruments,training beds etc
Similar models:SAF 22638 x 7 W 63805-2RS1 W 638/4-2RS1 W 638/5-2Z W 638/8 R-2Z W 63805 W 638/4 X-2Z SAF 22638 x 6.13/16 TLC W 638/2 XR-2Z W 63804 R-2Z
BEARING POWER International Trading Co.,Ltd. specialize in W638/2.5R-2Z products，there is large inventory of SKF W 638/2.5 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 638/2.5 R-2Z Which SKF W638/2.5R-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
23940 CC/W33	200	280	60	Bearings, units and housings
32x45x7 HMSA10 V	32	45	7	Seals
400601	54	-	-	Seals
6001-RSL	12	28	8	Bearings, units and housings
6001/HR22T2	12	28	8	Bearings, units and housings
690 VE R	670	-	-	Seals
BSD 2562 C	25	62	15	Bearings, units and housings
C 41/560 K30MB	560	920	355	Bearings, units and housings
OKC 045	45		-
PBM 081408 M1	8	14	8	Bearings, units and housings
S7004 CE/HCP4A	20	42	12	Bearings, units and housings
SNL 3038 G	190	-	-	Bearings, units and housings

Purchase the SKF W 638/2.5 R-2Z Please fill in the following

Hot number： 165x190x15 HMS5 RG 17283 BD-22332 CCK/W33-AH 2332 G 24936 3222 A 35x50x10 HMS5 V LR 17x20x20.5 N 1022 KTN9/HC5SP PBM 253550 M1G1 PF 1.1/2 TR PSMF 050904 A51 PWKR 35.2RS QJ 236 N2MA SAF 22617 x 3 TLC SNL 3036