51112NSKThrust

Name: NSK 51112 Thrust Bearing
Brand: NSK
SKU: 51112

51112 is a NSK thrust bearing, bore 60 mm, O.D. 85 mm, height 17 mm, dynamic rating 9,370 lbs. Dimensions, drawing, interchanges and price.

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Bore d60mm

Outside dia. D85mm

Overall width T17mm

Dynamic Cr9,370lbs

Static C0r25,400lbs

Limiting speed2,600rpm

Weight0.281kg

Cr / C0r0.37

Mean dia. dm72.5mm

Original catalogue drawing - NSK catalogue, page 145

51112 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	60	2.3622
D	Outside diameter	85	3.3465
T	Overall assembly width	17	0.6693

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)	60
Bore d (in)	2.3622
Outside dia. D (mm)	85
Outside dia. D (in)	3.3465
Overall width T (mm)	17
Overall width T (in)	0.6693

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	9370
Basic static axial rating Coa (lbs)	25400
Limiting speed - grease (rpm)	2,600
Limiting speed - oil (rpm)	4,000

Weight

Weight (kg)	0.281

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.039
Shaft shoulder da min (in)	2.955
Housing shoulder Da (in)	2.758

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 800 rpm
4	10,420	102	2,117
6	6,947	392	8,177
8	5,210	1,024	21,333
10	4,168	2,154	44,884
15	2,779	8,323	173,406

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 41,680 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
32912	FAG	Tapered Roller	60	85	17	49 kN	0.315

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR32912	NSK	Tapered Roller	60	85	17	60 kN	0.306
HR32912J	NSK	Tapered Roller	60	85	17	11,000 lbs	0.304

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
29412	NSK	Thrust	60	130	42	330 kN	-
29412E	NSK	Thrust	60	130	42	74,500 lbs	2.54
51212	NSK	Thrust	60	95	26	16,100 lbs	0.671
51312	NSK	Thrust	60	110	35	26,700 lbs	1.402
51412	NSK	Thrust	60	130	51	45,400 lbs	3.162
52312	NSK	Thrust	60	110	None	119 kN	2.82
52412	NSK	Thrust	60	130	None	202 kN	5.82
51111	NSK	Thrust	55	78	16	7,940 lbs	0.227

Request a quotation for 51112

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