6018NSKBall

Name: NSK 6018 Ball Bearing
Brand: NSK
SKU: 6018

6018 is a NSK ball bearing, bore 90 mm, O.D. 140 mm, width 24 mm, dynamic rating 13,100 lbs. Dimensions, drawing, interchanges and price.

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Bore d90mm

Outside dia. D140mm

Width B24mm

Dynamic Cr13,100lbs

Static C0r11,200lbs

Limiting speed4,800rpm

Weight1.161kg

Cr / C0r1.17

Mean dia. dm115mm

Original catalogue drawing - NSK catalogue, page 15

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	90	3.5433
D	Outside diameter	140	5.5118
B	Inner-ring / bearing width	24	0.9449
r	Chamfer (min)	1.499	0.059

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)	90
Bore d (in)	3.5433
Outside dia. D (mm)	140
Outside dia. D (in)	5.5118
Width B (mm)	24
Width B (in)	0.9449

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	13100
Basic static load rating Cor (lbs)	11200
Limiting speed - grease (rpm)	4,800
Limiting speed - oil (rpm)	5,600
Factor f0	15.6

Weight

Weight (kg)	1.161

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.059
Shaft shoulder da min (in)	3.858
Shaft shoulder da max (in)	4.058
Housing shoulder Da max (in)	5.197

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,600 rpm
4	14,568	64	667
6	9,712	216	2,250
8	7,284	512	5,333
10	5,827	1,000	10,417
15	3,885	3,375	35,156

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 58,272 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 inch product catalogue
Catalogue page	p.17 (dimensions) / p.18 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
6018	FAG	Ball	90	140	24	62 kN	1.21
6018-2RSR	FAG	Ball	90	140	24	62 kN	1.21
6018-2Z	FAG	Ball	90	140	24	62 kN	1.23
NU1018-M1	FAG	Cylindrical Roller	90	140	24	111 kN	1.31
NU1018-XL-M1	FAG	Cylindrical Roller	90	140	24	111 kN	1.36
B7018-C-T-P4S	FAG	Precision / Angular Contact	90	140	24	76.5 kN	1.14
B7018-E-T-P4S	FAG	Precision / Angular Contact	90	140	24	72 kN	1.13
HCB7018-C-T-P4S	FAG	Precision / Angular Contact	90	140	24	53 kN	1.15
HCB7018-E-T-P4S	FAG	Precision / Angular Contact	90	140	24	50 kN	1.15
HCS7018-C-T-P4S	FAG	Precision / Angular Contact	90	140	24	26 kN	1.19

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1018	NSK	Cylindrical Roller	90	140	24	19,800 lbs	1.329
NU1018	NSK	Cylindrical Roller	90	140	24	108 kN	1.35
7018	NSK	Precision / Angular Contact	90	140	24	74 kN	1.19
7018A5	NSK	Precision / Angular Contact	90	140	24	15,200 lbs	1.17
7018C	NSK	Precision / Angular Contact	90	140	24	16,100 lbs	1.32
90BNC10	NSK	Precision / Angular Contact	90	140	24	10,450 lbs	1.229
90BNC10SN24	NSK	Precision / Angular Contact	90	140	24	10,450 lbs	1.229
90BNR10H	NSK	Precision / Angular Contact	90	140	24	7,870 lbs	1.241

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1218	NSK	Ball	90	160	30	63 kN	2.56
1318	NSK	Ball	90	190	43	129 kN	5.83
16018	NSK	Ball	90	140	16	45.5 kN	0.873
6218	NSK	Ball	90	160	30	21,600 lbs	2.15
6318	NSK	Ball	90	190	43	32,100 lbs	4.899
6818	NSK	Ball	90	115	13	4,270 lbs	0.268
6918	NSK	Ball	90	125	18	7,370 lbs	0.567
7218B	NSK	Ball	90	160	30	22,900 lbs	2.549

Request a quotation for 6018

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