Bearings, units and housings -- Roller bearings -- Needle roller bearings -- Needle roller bearings with machined rings -- Needle roller bearings, with machined rings, without an inner ring SKF RNAO 40x55x20

RNAO 40x55x20

Dimensions

F_w		40	mm
D		55	mm
C		20	mm
E		47	mm
r_1,2	min.	0.3	mm

Abutment dimensions

d_a		46.2	mm
D_a		47.5	mm
D_b		40.6	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	31.4	kN
Basic static load rating	C₀	57	kN
Fatigue load limit	P_u	6.95	kN
Reference speed		10000	r/min
Limiting speed		11000	r/min

Mass

Mass bearing

0.14

Model Number: RNAO 40x55x20
Inner Diameter：40mm Outer Diameter：55mm Width：20mm
Reference speed:11000 r/min Limiting speed:10000 r/min
Type：Bearings, units and housings Roller bearings Needle roller bearings Needle roller bearings with machined rings
Details： Needle roller bearings with machined rings Needle roller bearings, with machined rings, without an inner ring
Update date：2026-08-20
Application:squeeze machine etc,Forging machine,water,car and accessories,car shock absorber,special broaching machine,milling head plug,Storage Tool,paint paint,inorganic chemical,noise inspection
Similar models:AOH 240/950 QJ 240 N2MA BD-240/710 ECAK30/W33-AOH 240/710 G 24088 ECAK30/W33 SYJ 40 KF C 4028 V PRMF 404440 KM 40 24026 CCK30/W33 SNW 3040x7-7/16
BEARING POWER International Trading Co.,Ltd. specialize in RNAO40x55x20 products，there is large inventory of SKF RNAO 40x55x20 Needle roller bearings with machined rings. We has been built up long-term cooperation with SKF company, could make a bulk order of the RNAO 40x55x20 Which SKF RNAO40x55x20 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

1375240
21211
62306-2RS1
6541
QJ 1288 N2MA

Purchase the SKF RNAO 40x55x20 Needle roller bearings, with machined rings, without an inner ring Please fill in the following

Hot number： 22220 EK 29244 E 400071 470441 5085 56425/56650 85074 85x115x12 HMSA10 RG 99292 D/W R2A SIKAC 8 M SAFS 22238 TLC SAW 23524 T SNW 140x7.7/8 SY 40 WDW

Model No.	Inner Diameter	Outer Diameter	Width	Type
1375240
21211
62306-2RS1
6541
QJ 1288 N2MA