HR32012NSKTapered Roller

Name: NSK HR32012 Tapered Roller Bearing
Brand: NSK
SKU: HR32012

HR32012 is a NSK tapered roller bearing, bore 60 mm, O.D. 95 mm, width 23 mm, dynamic rating 105 kN. Dimensions, drawing, interchanges and price.

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Bore d60mm

Outside dia. D95mm

Width B23mm

Dynamic Cr105kN

Static C0r127kN

Limiting speed3,600rpm

Weight0.608kg

Cr / C0r0.83

Mean dia. dm77.5mm

Original catalogue drawing - NSK E1103, page 264

HR32012 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	95	3.7402
B	Inner-ring / bearing width	23	0.9055
T	Overall assembly width	23	0.9055
C	Cup / outer-ring width	17.5	0.689
r	Chamfer (min)	1.5	0.0591

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
Outside dia. D (mm)	95
Width B (mm)	23
Overall width T (mm)	23
Cup width C (mm)	17.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	23605
Basic static load rating Cor (lbs)	28551
Basic dynamic load rating Cr (N)	105000
Basic static load rating C0r (N)	127000
Limiting speed - grease (rpm)	3,600
Effective load centre a (mm)	1.5

Weight

Weight (kg)	0.608

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	1.5

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,200 rpm
4	26,250	102	1,411
6	17,500	392	5,451
8	13,125	1,024	14,222
10	10,500	2,154	29,923
15	7,000	8,323	115,604

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 105,000 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 CAT. No. E1103 (metric)
Catalogue page	p.264 (dimensions)

Load ratings in newtons, weights in kg, limiting speeds for grease and oil lubrication.

Interchange - same dimensions, other brands

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
32012-X	FAG	Tapered Roller	60	95	23	80 kN	0.614
32012-X-XL	FAG	Tapered Roller	60	95	23	97 kN	0.61
32012X	Timken	Tapered Roller	60	95	23	96.7 kN	0.6
X32012X/Y32012X	Timken	Tapered Roller	60	95	23	-	-

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
HR32012XJ	NSK	Tapered Roller	60	95	23	85,500 lbs	0.608

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 HR32012

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