Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Matched tapered roller bearings -- Matched single row tapered roller bearings arranged face-to-face SKF 31308/DF

31308/DF

SKF Explorer

Dimensions

d		40	mm
D		90	mm
T		50.5	mm
2B		46	mm
b		11	mm
K		8	mm
r_3,4	min.	1.5	mm
r₅	min.	0.6	mm

Abutment dimensions

d_a	max.	51	mm
D_a	min.	71	mm
D_a	max.	82.5	mm
C_a	min.	3	mm
r_a	max.	1.5	mm
r_c	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	156	kN
Basic static load rating	C₀	163	kN
Fatigue load limit	P_u	19	kN
Reference speed		4500	r/min
Limiting speed		7500	r/min
Calculation factor	e	0.83
Calculation factor	Y₁	0.81
Calculation factor	Y₂	1.2
Calculation factor	Y₀	0.8

Mass

Mass bearing pair

1.49

Model Number: 31308/DF
Inner Diameter：40mm Outer Diameter：90mm Width：-mm
Reference speed:7500 r/min Limiting speed:4500 r/min
Type：Bearings, units and housings Roller bearings Tapered roller bearings Matched tapered roller bearings
Details： Matched tapered roller bearings Matched single row tapered roller bearings arranged face-to-face
Update date：2025-12-09
Application:building decoration raw materials and accessories,Broadcasting System,Anesthetic Equipment,packaging machinery,large agricultural machinery,PVC,Forming mold,disposable,surgical instruments,coupling type,marine analysis
Similar models:31308 31308/DF
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1300283	330.2	368.3	17.48	Seals
130x160x15 HMSA10 RG	130	160	15	Seals
401600	144	-	-	Seals
60/1120 MB	1120	1580	200	Bearings, units and housings
70/560 AMB	560	820	115	Bearings, units and housings
91327	-	-	30	Seals
D/W R1810	7.938	12.7	3.967	Bearings, units and housings
LS 4565	45	65	4	Bearings, units and housings
NNCL 4930 CV	150	210	60	Bearings, units and housings
OKCS 214	214		-
PCZ 2828 E	44.45	49.213	44.45	Bearings, units and housings
SAF 1517 x 2.13/16 T	71.4375	-	-	Bearings, units and housings

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Hot number： 2200 E-2RS1TN9 32056 X/DF 35x52x8 HMS5 RG 40x62x6 HMSA10 V 51106 V/HR22Q2 6210/HR11TN 6410 NR C 2234 FBSA 207/QFC FSAF 1611 x 1.7/8 KMT 12 NJ 224 ECM PCM 505530 M S7022 CB/HCP4A SAF 22617 x 3 TLC