NU313ENSKCylindrical Roller

Name: NSK NU313E Cylindrical Roller Bearing
Brand: NSK
SKU: NU313E

NU313E is a NSK cylindrical roller bearing, bore 65 mm, O.D. 140 mm, width 33 mm, dynamic rating 222 kN. Dimensions, drawing, interchanges and price.

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Bore d65mm

Outside dia. D140mm

Width B33mm

Dynamic Cr222kN

Static C0r191kN

Weight2.56kg

Cr / C0r1.16

Mean dia. dm102.5mm

Original catalogue drawing - NSK E1103, page 236

NU313E NSK Cylindrical Roller bearing catalogue drawing

Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.

Scale cross-section

Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own dimensions for selection reference only - not a manufacturing or assembly drawing.

Dimension table (mm / inch)

Symbol	Dimension	mm	inch
d	Bore diameter	65	2.5591
D	Outside diameter	140	5.5118
B	Inner-ring / bearing width	33	1.2992
r	Chamfer (min)	2.1	0.0827

Notes

Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.

Main dimensions

Bore d (mm)	65
Outside dia. D (mm)	140
Width B (mm)	33

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	49908
Basic static load rating Cor (lbs)	42939
Basic dynamic load rating Cr (N)	222000
Basic static load rating C0r (N)	191000

Weight

Weight (kg)	2.56

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	2.1
Chamfer r1 min (mm)	2.1

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 500 rpm
4	55,500	102	3,386
6	37,000	392	13,083
8	27,750	1,024	34,133
10	22,200	2,154	71,814
15	14,800	8,323	277,449

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 222,000 N. Hours = L₁₀ x 10⁶ / (60n). Life-modification factors for lubrication, contamination and temperature (a_ISO) are not included.

Source & traceability

Brand	NSK
Source catalogue	NSK CAT. No. E1103 (metric)
Catalogue page	p.236 (dimensions)

Load ratings in newtons, weights in kg, limiting speeds for grease and oil lubrication.

Interchange - same dimensions, other brands

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1313-K-TVH-C3	FAG	Ball	65	140	33	63 kN	2.41
1313-TVH	FAG	Ball	65	140	33	63 kN	2.44
6313	FAG	Ball	65	140	33	93 kN	2.14
6313-2RSR	FAG	Ball	65	140	33	93 kN	2.18
6313-2Z	FAG	Ball	65	140	33	93 kN	2.18
6313-C	FAG	Ball	65	140	33	101 kN	2.07
6313-C-2BRS	FAG	Ball	65	140	33	101 kN	2.13
6313-C-2HRS	FAG	Ball	65	140	33	101 kN	2.13
6313-C-2Z	FAG	Ball	65	140	33	101 kN	2.12
QJ313-MPA	FAG	Ball	65	140	33	163 kN	2.71

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1313	NSK	Ball	65	140	33	13,900 lbs	2.522
6313	NSK	Ball	65	140	33	20,800 lbs	2.1
7313B	NSK	Ball	65	140	33	21,600 lbs	2.468
BL313	NSK	Ball	65	140	33	27,300 lbs	2.313
313	NSK	Cylindrical Roller	65	140	33	30,400 lbs	2.223
NU313	NSK	Cylindrical Roller	65	140	33	166 kN	2.23
21313EAE4	NSK	Spherical Roller	65	140	33	264 kN	2.45
3400	NSK	Tapered Roller	65	140	33	213 kN	2.43

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1013	NSK	Cylindrical Roller	65	100	18	9,240 lbs	0.494
213	NSK	Cylindrical Roller	65	120	23	18,800 lbs	1.03
2213	NSK	Cylindrical Roller	65	120	31	26,800 lbs	1.447
2313	NSK	Cylindrical Roller	65	140	48	42,000 lbs	3.211
313	NSK	Cylindrical Roller	65	140	33	30,400 lbs	2.223
413	NSK	Cylindrical Roller	65	160	37	40,900 lbs	3.572
NU1013	NSK	Cylindrical Roller	65	100	18	50.5 kN	0.504
NU213E	NSK	Cylindrical Roller	65	120	23	132 kN	1.05

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