Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row, without an inner ring SKF RNU 304

RNU 304

Dimensions

F_w		28.5	mm
D		52	mm
C		15	mm
D₁	≈	40.55	mm
r_1,2	min.	1.1	mm

Abutment dimensions

d_a	max.	31.8	mm
D_a	max.	45.5	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	20.5	kN
Basic static load rating	C₀	16.6	kN
Fatigue load limit	P_u	2.08	kN
Reference speed		15000	r/min
Limiting speed		18000	r/min
Calculation factor	k_r	0.15
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

0.11

Model Number: RNU 304
Inner Diameter：28.5mm Outer Diameter：52mm Width：15mm
Reference speed:18000 r/min Limiting speed:15000 r/min
Type：Bearings, units and housings Roller bearings Cylindrical roller bearings Single row cylindrical roller bearings
Details： Single row cylindrical roller bearings Cylindrical roller bearings, single row, without an inner ring
Update date：2025-12-09
Application:relay,Ball screw,Handling machinery and various industrial machinery,floor industry,Anti-defibrillation pacing,paper processing machine,plant determination,ventilation equipment,Generator,Textile Accessories,air purification
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Model No.	Inner Diameter	Outer Diameter	Width	Type
12 VA R	10.5	-	-	Seals
17x28x7 HMS5 RG	17	28	7	Seals
25x45x7 HMSA10 RG	25	45	7	Seals
3204 A-2ZTN9/MT33	20	47	20.6	Bearings, units and housings
6308	40	90	23	Bearings, units and housings
7017 CE/HCP4A	85	130	22	Bearings, units and housings
BMO-6204/048S2/UA108A	20	47	20.2	Bearings, units and housings
FSAF 1611 x 1.7/8 T	47.625	-	-	Bearings, units and housings
NCF 28/750 V	750	920	100	Bearings, units and housings
NUP 317 ECJ	85	180	41	Bearings, units and housings
PFT 1. FM	25.4	-	-	Bearings, units and housings
SNP 3084x15.3/4	400.05	420	215.5952	Bearings, units and housings

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