Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF WBB1-8704 R

WBB1-8704 R

Dimensions

d		3	mm
D		9	mm
B		2.5	mm
d₁	≈	4.86	mm
D₁	≈	7.2	mm
D₃		10.2	mm
C		0.6	mm
r_1,2	min.	0.2	mm

Abutment dimensions

d_a	min.	3.8	mm
d_a	max.	3.8	mm
r_a	max.	0.2	mm

Calculation data

Basic dynamic load rating	C	0.325	kN
Basic static load rating	C₀	0.095	kN
Fatigue load limit	P_u	0.004	kN
Reference speed		140000	r/min
Limiting speed		90000	r/min
Calculation factor	k_r	0.03
Calculation factor	f₀	6.4

Mass

Mass bearing

0.0008

Model Number: WBB1-8704 R
Inner Diameter：3mm Outer Diameter：9mm Width：2.5mm
Reference speed:90000 r/min Limiting speed:140000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-16
Application:Roller mill,plastic rolling,mathematical instruments,motor,quality inspection equipment,spectrometer,tube,oral medical device,bio-chemical,extruder,industry test
Similar models:BT4B 328704 G/HA1 WBB1-8704 WBB1-8704 R
BEARING POWER International Trading Co.,Ltd. specialize in WBB1-8704R products，there is large inventory of SKF WBB1-8704 R Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the WBB1-8704 R Which SKF WBB1-8704R is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
1450 VA R	1315	-	-	Seals
217 NR	85	150	28	Bearings, units and housings
7212 BEGBP	60	110	22	Bearings, units and housings
90146	-	-	50.8	Seals
FSAF 22520 x 3.5/16 T	84.1375	-	-	Bearings, units and housings
HK 2518 RS	25	32	18	Bearings, units and housings
IR 35x42x36	35	42	36	Bearings, units and housings
M 802048/011	41.275	82.55	26.543	Bearings, units and housings
NU 316 ECPH	80	170	39	Bearings, units and housings
RLS 18	57.15	114.3	22.225	Bearings, units and housings
SAF 1511 x 1.7/8	47.625	-	-	Bearings, units and housings
SY 1.3/16 TDW	30.163	-	-	Bearings, units and housings

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