HR32912JNSKTapered Roller

Name: NSK HR32912J Tapered Roller Bearing
Brand: NSK
SKU: HR32912J

HR32912J is a NSK tapered roller bearing, bore 60 mm, O.D. 85 mm, width 17 mm, dynamic rating 11,000 lbs. Dimensions, drawing, interchanges and price.

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Bore d60mm

Outside dia. D85mm

Width B17mm

Dynamic Cr11,000lbs

Static C0r19,000lbs

Limiting speed3,800rpm

Weight0.304kg

Cr / C0r0.58

Mean dia. dm72.5mm

Original catalogue drawing - NSK catalogue, page 117

HR32912J NSK Tapered 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	60	2.3622
D	Outside diameter	85	3.3465
B	Inner-ring / bearing width	17	0.6693
T	Overall assembly width	17	0.6693
C	Cup / outer-ring width	14	0.5512

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)	60
Bore d (in)	2.3622
Outside dia. D (mm)	85
Outside dia. D (in)	3.3465
Width B (mm)	17.0000
Width B (in)	0.6693
Overall width T (mm)	17
Overall width T (in)	0.6693
Cup width C (mm)	14
Cup width C (in)	0.5512

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	11000
Basic static load rating Cor (lbs)	19000
Limiting speed - grease (rpm)	3,800
Limiting speed - oil (rpm)	5,300

Weight

Weight (kg)	0.304

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.04
Shaft shoulder da min (in)	2.717
Housing shoulder Da max (in)	3.110
Shaft shoulder db max (in)	0.107

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,200 rpm
4	12,233	102	1,411
6	8,155	392	5,451
8	6,116	1,024	14,222
10	4,893	2,154	29,923
15	3,262	8,323	115,604

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 48,930 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.119 (dimensions) / p.120 (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
51112	NSK	Thrust	60	85	17	9,370 lbs	0.281

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
32212C	NSK	Tapered Roller	60	110	28	23,600 lbs	1.111
32312C	NSK	Tapered Roller	60	130	46	44,100 lbs	2.79
3800	NSK	Tapered Roller	60	125	33.5	186 kN	2.03
HR30212	NSK	Tapered Roller	60	110	22	127 kN	0.93
HR30212J	NSK	Tapered Roller	60	110	22	23,400 lbs	0.93
HR30312	NSK	Tapered Roller	60	130	31	214 kN	2.03
HR30312J	NSK	Tapered Roller	60	130	31	39,100 lbs	2.032
HR31312J	NSK	Tapered Roller	60	130	31	33,900 lbs	1.982

Request a quotation for HR32912J

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