Bearings, units and housings -- Roller bearings -- Needle roller bearings -- Needle roller and cage assemblies -- Needle roller bearings, needle roller and cage assemblies SKF K 25x31x21

K 25x31x21

Dimensions

F_w	25	mm
E_w	31	mm
U	21	mm

Calculation data

Basic dynamic load rating	C	23.3	kN
Basic static load rating	C₀	38	kN
Fatigue load limit	P_u	4.75	kN
Reference speed		16000	r/min
Limiting speed		18000	r/min

Mass

Mass needle roller and cage assembly

0.02

Model Number: K 25x31x21
Inner Diameter：25mm Outer Diameter：31mm Width：21mm
Reference speed:18000 r/min Limiting speed:16000 r/min
Type：Bearings, units and housings Roller bearings Needle roller bearings Needle roller and cage assemblies
Details： Needle roller and cage assemblies Needle roller bearings, needle roller and cage assemblies
Update date：2026-06-25
Application:tray industry,centrifugal pump,security,Grinding and polishing equipment,medical equipment,food sterilization,product accessories,EEG,inorganic chemical,medical treatment,printing machinery
Similar models:SAF 22540 NAO 25x42x32 SSAFS 22536 x 6.5/16 TLC SAF 22520 x 3.3/8 T K 25x35x30 EE 243190/243250 32252 J2 SAFS 22515-11 x 2.1/2 SAFS 22530 x 5.1/8 TLC FYTB 25 TR
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Model No. Inner Diameter Outer Diameter Width Type

LR 17x20x20.5
NKI 80/25
SHT 140
SAL 35 TXE-2LS
SNL 3076

Purchase the SKF K 25x31x21 Needle roller bearings, needle roller and cage assemblies Please fill in the following

Hot number： 19785 230/1250 CAKF/W33 29871 38x62x10 HMS5 V 7040 CD/HCP4A 86468 9701 C 30/710 M BD-C 3168 KM-AOH 3168 G FY 20 FM GEM 30 ESX-2LS OH 39/530 HE PSMF 182430 A51 S7209 ACD/HCP4A SAFS 22517-11 x 2.7/8 TLC

Model No.	Inner Diameter	Outer Diameter	Width	Type
LR 17x20x20.5
NKI 80/25
SHT 140
SAL 35 TXE-2LS
SNL 3076