317NSKCylindrical Roller

Name: NSK 317 Cylindrical Roller Bearing
Brand: NSK
SKU: 317

317 is a NSK cylindrical roller bearing, bore 85 mm, O.D. 180 mm, width 41 mm, dynamic rating 47,500 lbs. Dimensions, drawing, interchanges and price.

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Bore d85mm

Outside dia. D180mm

Width B41mm

Dynamic Cr47,500lbs

Static C0r51,300lbs

Limiting speed3,400rpm

Weight4.536kg

Cr / C0r0.93

Mean dia. dm132.5mm

Original catalogue drawing - NSK catalogue, page 55

317 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	85	3.3465
D	Outside diameter	180	7.0866
B	Inner-ring / bearing width	41	1.6142

Notes

Cylindrical roller entries from the NSK inch catalogue are series numbers covering the N / NU / NJ / NUP / NH prefixes of the same size. 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)	85
Bore d (in)	3.3465
Outside dia. D (mm)	180
Outside dia. D (in)	7.0866
Width B (mm)	41
Width B (in)	1.6142

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	47500
Basic static load rating Cor (lbs)	51300
Limiting speed - grease (rpm)	3,400
Limiting speed - oil (rpm)	4,000

Weight

Weight (kg)	4.536

Mounting dimensions (fillets / shoulders)

Fillet ra max (in)	0.099
Fillet rb max (in)	0.079
Shaft shoulder da min (in)	3.858
Housing shoulder Da max (in)	6.535
Shaft shoulder db min (in)	3.701
Shaft shoulder db max (in)	4.134
Housing shoulder Db min (in)	6.260
Housing shoulder Db max (in)	6.575

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,100 rpm
4	52,823	102	1,539
6	35,215	392	5,947
8	26,411	1,024	15,515
10	21,129	2,154	32,643
15	14,086	8,323	126,113

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 211,291 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.57 (dimensions) / p.58 (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
1317-K-M-C3	FAG	Ball	85	180	41	99 kN	5.32
1317-M	FAG	Ball	85	180	41	99 kN	5.39
6317	FAG	Ball	85	180	41	141 kN	4.25
6317-2RSR	FAG	Ball	85	180	41	141 kN	4.25
6317-2Z	FAG	Ball	85	180	41	141 kN	4.33
QJ317-N2-MPA	FAG	Ball	85	180	41	245 kN	5.54
N317-E-M1	FAG	Cylindrical Roller	85	180	41	340 kN	5.3
N317-E-XL-M1	FAG	Cylindrical Roller	85	180	41	340 kN	5.3
NJ317-E-TVP2	FAG	Cylindrical Roller	85	180	41	320 kN	4.71
NJ317-E-XL-TVP2	FAG	Cylindrical Roller	85	180	41	320 kN	4.71

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1317	NSK	Ball	85	180	41	108 kN	5.03
6317	NSK	Ball	85	180	41	29,800 lbs	4.25
7317B	NSK	Ball	85	180	41	30,900 lbs	5.035
BL317	NSK	Ball	85	180	41	39,100 lbs	4.699
NU317	NSK	Cylindrical Roller	85	180	41	261 kN	4.6
NU317E	NSK	Cylindrical Roller	85	180	41	360 kN	5.26
21317EAE4	NSK	Spherical Roller	85	180	41	360 kN	5.2
HR30317	NSK	Tapered Roller	85	180	41	380 kN	5.08

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1017	NSK	Cylindrical Roller	85	130	22	16,700 lbs	0.998
217	NSK	Cylindrical Roller	85	150	28	27,100 lbs	1.919
2217	NSK	Cylindrical Roller	85	150	36	38,100 lbs	2.477
2317	NSK	Cylindrical Roller	85	180	60	70,400 lbs	6.804
417	NSK	Cylindrical Roller	85	210	52	74,800 lbs	9.525
NU1017	NSK	Cylindrical Roller	85	130	22	91.5 kN	1.01
NU217E	NSK	Cylindrical Roller	85	150	28	206 kN	2.11
NU2217E	NSK	Cylindrical Roller	85	150	36	268 kN	2.44

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