d - 140 mm

D - 250 mm

B - 42 mm

d₁ - - 183.3 mm

d₂ - - 163.6 mm

D₁ - - 209.55 mm

a - 103 mm

r_1,2 - min. - 3 mm

r_3,4 - min. - 1.1 mm

d_a - min. - 154 mm

D_a - max. - 236 mm

D_b - max. - 243 mm

r_a - max. - 2.5 mm

r_b - max. - 1 mm

Basic dynamic load rating - C - 199 kN

Basic static load rating - C₀ - 212 kN

Fatigue load limit - P_u - 6.4 kN

Reference speed - 3000 r/min

Limiting speed - 3000 r/min

Calculation factor - k_r - 0.08

Calculation factor - k_a - 1.2

Calculation factor - e - 1.14

Calculation factor - X - 0.57

Calculation factor - Y₀ - 0.52

Calculation factor - Y₁ - 0.55

Calculation factor - Y₂ - 0.93

Calculation factor - X - 0.35

Calculation factor - Y₀ - 0.26

Calculation factor - Y₁ -

Calculation factor - Y₂ - 0.57

Mass bearing - 8.85 kg

• Model Number:7228 BM
• Inner Diameter：250mm Outer Diameter：140mm Width：42mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-16
• Application:ventilation fans,inorganic chemical,engineering machinery,Hydraulic Hose,medical equipment,spectrometer,food add,tower crane,shaft milling machine,sterilizers,sewage pump
• Similar models:CX 7228A-UD NTN 7228BG CX 7228B-UO CYSD 7228BDF SKF 7228BCBM NSK 7228A5TRSU SKF S7228ACD/P4A CYSD 7228CDT ISO 7228BDF NTN 7228C
• BEARING POWER International Trading Co.,Ltd. specialize in 7228BM products，there is large inventory of SKF 7228 BM . We has been built up long-term cooperation with SKF company, could make a bulk order of the 7228 BM Which SKF 7228BM 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	Brand	Type
  123076X/123120H	76,2	120	64	Gamet	Tapered Roller Bearings
  475/473	55	120	29,794	Timken	Tapered Roller Bearings
  51214	70	105		CX	Thrust Ball Bearings
  61868	340	420	38	ISO	Deep Groove Ball Bearings
  6302T1X	15	42	13	NSK	Deep Groove Ball Bearings
  6900ZZNR	10,000	22,000	6,000	NTN	Deep Groove Ball Bearings
  7014 ACB/HCP4AL	110	70	20	SKF	Angular Contact Ball Bearings
  71916 ACD/HCP4A	80	110	16	SKF	Angular Contact Ball Bearings
  B-105	15,875	20,638	7,92	Timken	Needle Roller Bearings
  GE 120 ES-2LS	180	120	85	SKF	Plain Bearings
  RNA2120	137	160	34	KOYO	Needle Roller Bearings
  NCF3010 V	50	80	23	CX	Cylindrical Roller Bearings
  NN3010MBKR	50	72,5	23	NSK	Cylindrical Roller Bearings
  PLC04-47/1	25	65	18	ZVL	Deep Groove Ball Bearings
  RNA5920	115	140	54	NTN	Needle Roller Bearings
  20230	150	270	45	FAG	SPHERICAL ROLLER BEARINGS
  PP120				RIV	THRUST BALL BEARINGS
  6211K.2RS	55	100	21	STEYR	DEEP GROOVE BALL BEARINGS
  LT-11/8B				RHP	THRUST BALL BEARINGS
  70/950MG	950	1360	180	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS