51317NSKThrust

Name: NSK 51317 Thrust Bearing
Brand: NSK
SKU: 51317

51317 is a NSK thrust bearing, bore 85 mm, O.D. 150 mm, height 49 mm, dynamic rating 46,500 lbs. Dimensions, drawing, interchanges and price.

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Bore d85mm

Outside dia. D150mm

Overall width T49mm

Dynamic Cr46,500lbs

Static C0r110,000lbs

Limiting speed1,100rpm

Weight3.57kg

Cr / C0r0.42

Mean dia. dm117.5mm

Original catalogue drawing - NSK catalogue, page 145

51317 NSK Thrust 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	150	5.9055
T	Overall assembly width	49	1.9291

Notes

Thrust bearing ratings are axial values Ca / Coa; T is the overall height. 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)	150
Outside dia. D (in)	5.9055
Overall width T (mm)	49
Overall width T (in)	1.9291

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	46500
Basic static axial rating Coa (lbs)	110000
Limiting speed - grease (rpm)	1,100
Limiting speed - oil (rpm)	1,700

Weight

Weight (kg)	3.57

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.059
Shaft shoulder da min (in)	4.886
Housing shoulder Da (in)	4.373

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 300 rpm
4	51,711	102	5,644
6	34,474	392	21,805
8	25,855	1,024	56,889
10	20,684	2,154	119,691
15	13,789	8,323	462,415

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 206,842 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.147 (dimensions) / p.148 (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
33217	FAG	Tapered Roller	85	150	49	295 kN	3.58
33217	Timken	Tapered Roller	85	150	49	351 kN	3.6
X33217M/Y33217M	Timken	Tapered Roller	85	150	49	-	-

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR33217J	NSK	Tapered Roller	85	150	49	63,170 lbs	3.57

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
29317	NSK	Thrust	85	150	39	330 kN	2.7
29317E	NSK	Thrust	85	150	39	74,500 lbs	2.699
29417E	NSK	Thrust	85	180	58	142,000 lbs	6.532
29418	NSK	Thrust	85	190	60	695 kN	7.55
51117	NSK	Thrust	85	110	19	10,400 lbs	0.44
51217	NSK	Thrust	85	125	31	21,600 lbs	1.22
51417	NSK	Thrust	85	180	72	310 kN	8.72
51417X	NSK	Thrust	85	180	72	69,400 lbs	8.509

Request a quotation for 51317

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