32312CNSKTapered Roller

Name: NSK 32312C Tapered Roller Bearing
Brand: NSK
SKU: 32312C

32312C is a NSK tapered roller bearing, bore 60 mm, O.D. 130 mm, width 46 mm, dynamic rating 44,100 lbs. Dimensions, drawing, interchanges and price.

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Bore d60mm

Outside dia. D130mm

Width B46mm

Dynamic Cr44,100lbs

Static C0r56,000lbs

Limiting speed3,000rpm

Weight2.79kg

Cr / C0r0.79

Mean dia. dm95mm

Original catalogue drawing - NSK catalogue, page 131

32312C 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	130	5.1181
B	Inner-ring / bearing width	46	1.811
T	Overall assembly width	48.5	1.9094
C	Cup / outer-ring width	35	1.378

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)	130
Outside dia. D (in)	5.1181
Width B (mm)	46
Width B (in)	1.8110
Overall width T (mm)	48.50
Overall width T (in)	1.9094
Cup width C (mm)	35
Cup width C (in)	1.3780

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	44100
Basic static load rating Cor (lbs)	56000
Limiting speed - grease (rpm)	3,000
Limiting speed - oil (rpm)	4,000

Weight

Weight (kg)	2.79

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.138
Shaft shoulder da min (in)	3.191
Housing shoulder Da max (in)	4.646
Shaft shoulder db max (in)	2.913

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,000 rpm
4	49,042	102	1,693
6	32,694	392	6,542
8	24,521	1,024	17,067
10	19,617	2,154	35,907
15	13,078	8,323	138,724

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 196,167 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.133 (dimensions) / p.134 (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
2312-K-TVH-C3	FAG	Ball	60	130	46	89 kN	2.52
2312-TVH	FAG	Ball	60	130	46	89 kN	2.58
4312-B-TVH	FAG	Ball	60	130	46	128 kN	2.58
NJ2312-E-TVP2	FAG	Cylindrical Roller	60	130	46	265 kN	2.83
NJ2312-E-XL-TVP2	FAG	Cylindrical Roller	60	130	46	265 kN	2.83
NU2312-E-TVP2	FAG	Cylindrical Roller	60	130	46	265 kN	2.78
NU2312-E-XL-TVP2	FAG	Cylindrical Roller	60	130	46	265 kN	2.78
NUP2312-E-TVP2	FAG	Cylindrical Roller	60	130	46	265 kN	2.88
NUP2312-E-XL-TVP2	FAG	Cylindrical Roller	60	130	46	265 kN	2.88
SL192312	FAG	Cylindrical Roller	60	130	46	285 kN	2.88

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
2312	NSK	Ball	60	130	46	19,400 lbs	2.83
2312	NSK	Cylindrical Roller	60	130	46	37,800 lbs	2.644
NU2312E	NSK	Cylindrical Roller	60	130	46	274 kN	2.7
22312CAME4	NSK	Spherical Roller	60	130	46	55,500 lbs	2.849
22312EAE4	NSK	Spherical Roller	60	130	46	61,000 lbs	2.885
22312HE4	NSK	Spherical Roller	60	130	46	59,500 lbs	2.685
HR32312	NSK	Tapered Roller	60	130	46	286 kN	2.96
HR32312J	NSK	Tapered Roller	60	130	46	52,400 lbs	2.962

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
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
HR32012	NSK	Tapered Roller	60	95	23	105 kN	0.608

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