Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 30321

30321

Dimension series

2GB

Dimensions

d		105	mm
D		225	mm
T		53.5	mm
d₁	≈	155.3	mm
B		49	mm
C		41	mm
r_1,2	min.	4	mm
r_3,4	min.	3	mm
a		41.328	mm

Abutment dimensions

d_a	max.	133	mm
d_b	min.	121	mm
D_a	min.	193	mm
D_a	max.	212	mm
D_b	min.	206	mm
C_a	min.	7	mm
C_b	min.	12.5	mm
r_a	max.	4	mm
r_b	max.	3	mm

Calculation data

Basic dynamic load rating	C	462	kN
Basic static load rating	C₀	530	kN
Fatigue load limit	P_u	57	kN
Reference speed		2200	r/min
Limiting speed		3000	r/min
Calculation factor	e	0.35
Calculation factor	Y	1.7
Calculation factor	Y₀	0.9

Mass

Mass bearing

9.08

Model Number: 30321
Inner Diameter：105mm Outer Diameter：225mm Width：53.5mm
Reference speed:3000 r/min Limiting speed:2200 r/min
Type：Bearings, units and housings Roller bearings Tapered roller bearings Single row tapered roller bearings
Details： Single row tapered roller bearings Tapered roller bearings, single row
Update date：2026-04-16
Application:food testing,Anti-defibrillation pacing,car and accessories,Cylinder Micro,tower crane,Chromatography Products,chamfer,Roller mill,large agricultural machinery,Garment Accessories,electrostatic protection
Similar models:30321
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Model No.	Inner Diameter	Outer Diameter	Width	Type
15176	38.1	65.05	7.95	Seals
12407	31.75	50.27	6.35	Seals
13671	34.925	57.15	7.95	Seals
31758	80.9752	107.92	11.13	Seals
331555 B	635	939.8	-	Bearings, units and housings
54209 + U 209	35	73	39.6	Bearings, units and housings
52236 M	150	250	98	Bearings, units and housings
719/8 CE/HCP4AH	8	19	6	Bearings, units and housings
7212 BECBP	60	110	22	Bearings, units and housings
BTM 180 BM/HCP4CDB	180	280	90	Bearings, units and housings
HJ 1032	160	188	19	Bearings, units and housings
NU 326 ECJ	130	280	58	Bearings, units and housings

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