Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, single row, super-precision -- SKF N 1011 KPHA/SP

N 1011 KPHA/SP

Dimensions

d		55	mm
D		90	mm
B		18	mm
d₁		68.2	mm
E		81	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
s	max.	2.5	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	61.5	mm
D_a	min.	82	mm
D_a	max.	83.5	mm
r_a	max.	1	mm
d_n		70.1	mm

Calculation data

Basic dynamic load rating	C	37.4	kN
Basic static load rating	C₀	44	kN
Fatigue load limit	P_u	5.2	kN
Attainable speed for grease lubrication		22000	r/min
Attainable speed for oil-air lubrication		28000	r/min
Reference grease quantity	G_ref	6.1	cm³
Static radial stiffness (guideline value)		540	N/µm

Mass

Mass bearing

0.38

Model Number: N 1011 KPHA/SP
Inner Diameter：55mm Outer Diameter：90mm Width：18mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Cylindrical roller bearings Cylindrical roller bearings, single row, super-precision
Details： Cylindrical roller bearings, single row, super-precision
Update date：2026-06-24
Application:Forming mold,Cylinder Special,tray industry,sample cup,Grinding and polishing equipment,industrial fans,industry test,glass processing machine,Doppler,organic raw materials,supporting facilities
Similar models:PCM 105110115 E N 1011 KPHA/SP N 1011 KTN/SP NU 1011 ECM/HC5C3 N 1011 KTN/HC5SP PCM 11011560 M RNU 1011 ECP NU 1011 ECML/C3VL0241 PCM 11011550 M N 1011 KTNHA/SP
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Model No. Inner Diameter Outer Diameter Width Type

1425 VE R
891/900 M
FSAF 1218 TLC
SAF 22507 x 1.1/4
SAFS 23024 KA-11 x 4.1/16

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Hot number： 15x35x7 HMS5 V 25078 28x47x10 HMS5 V 293/530 EM 33030T132/DB 47x90x10 HMS5 RG AOH 24060 G BEAM 040115-2RZ BT2B 328020 GEC 440 TXA-2RS HK 4520 HK 1214.2RS NU 416 SAF 1609 x 1.1/2 W 627/4-2Z

Model No.	Inner Diameter	Outer Diameter	Width	Type
1425 VE R
891/900 M
FSAF 1218 TLC
SAF 22507 x 1.1/4
SAFS 23024 KA-11 x 4.1/16