Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF BT1B 617089 B

BT1B 617089 B

Dimensions

d		304.8	mm
D		546.1	mm
T		171.053	mm
d₁	≈	416	mm
B		171.053	mm
C		140.17	mm
r_1,2	min.	8	mm
r_3,4	min.	8	mm
a		124	mm

Abutment dimensions

d_a	max.	354	mm
d_b	min.	345	mm
D_a	min.	454	mm
D_a	max.	505	mm
D_b	min.	510	mm
C_a	min.	10	mm
C_b	min.	30.5	mm
r_a	max.	7	mm
r_b	max.	7	mm

Calculation data

Basic dynamic load rating	C	3030	kN
Basic static load rating	C₀	5600	kN
Fatigue load limit	P_u	415	kN
Reference speed		800	r/min
Limiting speed		1100	r/min
Calculation factor	e	0.35
Calculation factor	Y	1.7
Calculation factor	Y₀	0.9

Mass

Mass bearing

170

Model Number: BT1B 617089 B
Inner Diameter：304.8mm Outer Diameter：546.1mm Width：171.053mm
Reference speed:1100 r/min Limiting speed:800 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：2026-08-25
Application:chamfer,metering pump,food add,electrostatic protection,oral medical device,thin metal materials,Broadcasting System,medical treatment,pipe fittings Steel industry,boring bar boring bar,chemical raw materials and reagents
Similar models:BT1B 617089 B
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Model No. Inner Diameter Outer Diameter Width Type

407256
BT2B 331840 C/HA1
NUP 2209 ECP
NU 2317 ECML
SIL 80 ES-2RS

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Hot number： 12x32x7 HMS5 V 13700 18x30x6 HMSA7P2 R 25745 62309-2RS1 6313-Z 8782 GE 40 ESL-2LS IR 130x145x35 EGS K 95x103x40 ZW KMFE 10 NJ 207 ECP PSMF 182412 A51 SAF 22638 x 6.13/16 T STO 35

Model No.	Inner Diameter	Outer Diameter	Width	Type
407256
BT2B 331840 C/HA1
NUP 2209 ECP
NU 2317 ECML
SIL 80 ES-2RS