d - 40 mm

D - 90 mm

B - 23 mm

d₂ - - 60 mm

D₁ - - 79.8 mm

b - 5.5 mm

K - 3 mm

r_1,2 - min. - 1.5 mm

d_a - min. - 47.2 mm

d_a - max. - 60 mm

D_a - max. - 81 mm

r_a - max. - 1.5 mm

Basic dynamic load rating - C - 107 kN

Basic static load rating - C₀ - 108 kN

Fatigue load limit - P_u - 12 kN

Reference speed - 7000 r/min

Limiting speed - 9500 r/min

Calculation factor - e - 0.24

Calculation factor - Y₁ - 2.8

Calculation factor - Y₂ - 4.2

Calculation factor - Y₀ - 2.8

Weight - 0.74 kg

• Model Number:21308 EK
• Inner Diameter：90mm Outer Diameter：40mm Width：23mm
• Type：Spherical Roller Bearings
• Update date：2025-12-10
• Application:coal mill,car shock absorber,pneumatic Pump,car,Spectrum Products,Beauty and Body,Liposuction device,static control,metallurgical mold,medical equipment,pressure control valve
• Similar models:ISO 21308KCW33+H308 ISO 21308KW33 SNR 21308VK ISB 21308EKW33+H308 KOYO 21308RH ISB 21308K ISB 21308 KOYO 21308RHK CX 21308KCW33+AH308 SNR 21308V
• BEARING POWER International Trading Co.,Ltd. specialize in 21308EK products，there is large inventory of SKF 21308 EK . We has been built up long-term cooperation with SKF company, could make a bulk order of the 21308 EK Which SKF 21308EK 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.

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  7012 C	60	95	18	ISO	Angular Contact Ball Bearings
  7209 BECBP	85	45	19	SKF	Angular Contact Ball Bearings
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  N207	35	72	17	ISO	Cylindrical Roller Bearings
  NCF29/950-V	950	1179	175	NKE	Cylindrical Roller Bearings
  RASE45	45		48	NKE	Bearing Units
  S6000	10	26	8	FAG	Deep Groove Ball Bearings
  SIK10C	10			LS	Plain Bearings
  N430	150	380	85	FAG	CYLINDRICAL ROLLER BEARINGS
  6221VL0241	105	190	36	SKF	DEEP GROOVE BALL BEARINGS
  TRTB1120	11.0000	23.7500		RBC	TAPERED ROLLER THRUST BEARINGS
  1912-RDU#7BKE	60	85	13	MRC	ANGULAR CONTACT BALL BEARINGS
  RA155ZZA	.1562	.3125	.1250	NTN	DEEP GROOVE BALL BEARINGS
  GE-180AX	180	320	70	CONSOLIDATED	SPHERICAL PLAIN BEARINGS
  SS61808-2RS	40	52	7	CONSOLIDATED	DEEP GROOVE BALL BEARINGS