51108NSKThrust

Name: NSK 51108 Thrust Bearing
Brand: NSK
SKU: 51108

51108 is a NSK thrust bearing, bore 40 mm, O.D. 60 mm, height 13 mm, dynamic rating 6,100 lbs. Dimensions, drawing, interchanges and price.

Request a quote WhatsApp Email us Search the catalog

Bore d40mm

Outside dia. D60mm

Overall width T13mm

Dynamic Cr6,100lbs

Static C0r14,100lbs

Limiting speed3,600rpm

Weight0.12kg

Cr / C0r0.43

Mean dia. dm50mm

Original catalogue drawing - NSK catalogue, page 143

51108 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	40	1.5748
D	Outside diameter	60	2.3622
T	Overall assembly width	13	0.5118

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)	40
Bore d (in)	1.5748
Outside dia. D (mm)	60
Outside dia. D (in)	2.3622
Overall width T (mm)	13
Overall width T (in)	0.5118

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	6100
Basic static axial rating Coa (lbs)	14100
Limiting speed - grease (rpm)	3,600
Limiting speed - oil (rpm)	5,300

Weight

Weight (kg)	0.12

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.024
Shaft shoulder da min (in)	2.049
Housing shoulder Da (in)	1.891

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,200 rpm
4	6,784	102	1,411
6	4,522	392	5,451
8	3,392	1,024	14,222
10	2,713	2,154	29,923
15	1,809	8,323	115,604

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 27,134 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.145 (dimensions) / p.146 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
51208	NSK	Thrust	40	68	19	10,600 lbs	0.27
51308	NSK	Thrust	40	78	26	15,600 lbs	0.536
51408	NSK	Thrust	40	90	36	23,100 lbs	1.1
52308	NSK	Thrust	40	78	None	70 kN	1.13
52408	NSK	Thrust	40	90	None	103 kN	2.02
51107	NSK	Thrust	35	52	12	4,960 lbs	0.081
51207	NSK	Thrust	35	62	18	8,920 lbs	0.21
51307	NSK	Thrust	35	68	24	12,500 lbs	0.386

Request a quotation for 51108

Send us the quantity you need and we will come back with price and lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.

Online enquiry form richard@bearingsfit.com WhatsApp +86 156 2149 6516