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

RSTO 45

Dimensions

D		85	mm
F_w		55	mm
C		19.8	mm
E		63	mm
r_1,2	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

0.45

Model Number: RSTO 45
Inner Diameter：55mm Outer Diameter：85mm Width：19.8mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Track rollers Support rollers Support rollers without flange rings, without an inner ring
Details： Support rollers without flange rings, without an inner ring
Update date：2026-06-24
Application:universal category,miscellaneous instruments,rock drilling machinery,casting embedding,mobile toilet,medical treatment,wall industry,surgical instruments,economic mold,Roller mill,Industrial
Similar models:FYNT 45 L BSD 4575 C 331445 GEH 45 ES-2LS BC4B 320455 PCM 455020 E PSMF 455535 A51 HK 4518 RS LR 40x45x20.5 PSM 354550 A51
BEARING POWER International Trading Co.,Ltd. specialize in RSTO45 products，there is large inventory of SKF RSTO 45 Support rollers without flange rings, without an inner ring. We has been built up long-term cooperation with SKF company, could make a bulk order of the RSTO 45 Which SKF RSTO45 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

719/9 CE/P4A
89330 M
BSD 45100 C
N 1019 KTN9/SP
NU 409

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Hot number： 1160 VE R 17461 19227 250x285x15 HMS5 RG 380x420x20 HDS1 R 400055 6011 NR 71968 ACDMA/HCP4A BTM 95 ATN9/HCP4CDB FYRP 3 11/16-18 NCF 2888 V NKIA 5907 QJ 228 N2MA S7017 CE/HCP4A SSAFS 22534 x 5.7/8 TLC

Model No.	Inner Diameter	Outer Diameter	Width	Type
719/9 CE/P4A
89330 M
BSD 45100 C
N 1019 KTN9/SP
NU 409