Bearings, units and housings -- Track rollers -- Support rollers -- Support rollers without flange rings, with an inner ring -- SKF STO 45 X

STO 45 X

Dimensions

D		85	mm
d		45	mm
C		19.8	mm
B		20	mm
E		63	mm
F		55	mm
r_1,2	min.	1	mm
r_3,4	min.	1	mm

Calculation data

Basic dynamic load rating	C	25.1	kN
Basic static load rating	C₀	43	kN
Fatigue load limit	P_u	5.3	kN
Maximum dynamic radial load	F_r	34.5	kN
Maximum static radial load	F_0r	50	kN
Limiting speed		1700	r/min

Mass

Mass support roller

0.58

Model Number: STO 45 X
Inner Diameter：45mm Outer Diameter：85mm Width：20mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Track rollers Support rollers Support rollers without flange rings, with an inner ring
Details： Support rollers without flange rings, with an inner ring
Update date：2026-08-19
Application:medical Equipment,Animal Tracking,motor,training beds etc,pressure control valve,chromatography,Gas turbine,position switch,pump,switch,Textile Industry Accessories and Accessories
Similar models:SI 45 ES-2RS PRMF 455030 64450/64700 BSD 4575 C PSM 455555 A51 LM 245846/810 NUTR 45 A D/W ER1458 FYC 45 TF SYNT 45 FTF
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Model No. Inner Diameter Outer Diameter Width Type

241/750 ECA/W33
BT4-8069 G/HA1VA901
C 41/600 K30MB
NJ 321 ECJ
W 63803 R-2Z

Purchase the SKF STO 45 X Please fill in the following

Hot number： 15910 18880 24x37x7 HMSA10 V 38x72x10 HMS5 V 65x85x8 CRW1 V 7218 BECBP 90130 FYTJ 3/4 TF NAO 50x68x20 NJ 328 ECNML OKBS 64 PCMW 386201.5 M PSM 253020 A51 PWM 253020 SNL 3256 G

Model No.	Inner Diameter	Outer Diameter	Width	Type
241/750 ECA/W33
BT4-8069 G/HA1VA901
C 41/600 K30MB
NJ 321 ECJ
W 63803 R-2Z