Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF D/W R144 R-2Z

D/W R144 R-2Z

Dimensions

d		3.175	mm
D		6.35	mm
B		2.779	mm
d₁	≈	3.93	mm
D₂	≈	5.9	mm
D₃		7.518	mm
C		0.787	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	3.8	mm
d_a	max.	3.8	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.163	kN
Basic static load rating	C₀	0.048	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

Mass

Mass bearing

0.00041

Model Number: D/W R144 R-2Z
Inner Diameter：3.175mm Outer Diameter：6.35mm Width：2.779mm
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：2026-06-26
Application:Machine tools,pipe fittings Steel industry,Other Machine Tools,plastic rolling,Optical Instruments,Vertical machining,casting embedding,Hair styling device,tobacco machinery,miscellaneous instruments,Die
Similar models:SNW 144x7.1/2 D/W R144-2Z 314441 B BD-23144 CCK/W33-OH 3144 H OH 3144 HTL 314484 D BD-22244-2CS5K/VT143-OH 3144 H D/W RW144 R 23144-2CS5K/VT143 BD-24144 CCK30/W33-AOH 24144
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Model No. Inner Diameter Outer Diameter Width Type

BD-22234 CCK/W33-H 3134
85814
NUP 2203 ECP
OKBS 130
SAF 22522 TLC

Purchase the SKF D/W R144 R-2Z Please fill in the following

Hot number： 14808 2210 ETN9 26877 40049 40x55x8 CRW1 V 51306 V/HR11T1 61844 7020 CD/P4AL 71919 ACB/HCP4AL AS 120155 NAO 50x68x20 NNU 4960 B/SPW33 NU 421 M OKTC 425 SSAFS 23026 KAT x 4.3/8

Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-22234 CCK/W33-H 3134
85814
NUP 2203 ECP
OKBS 130
SAF 22522 TLC