d - 40 mm

D - 90 mm

T - 25,25 mm

a - 30 mm

B - 23 mm

C - 17 mm

C_{a min} - 4 mm

C_{b min} - 8 mm

D_{a max} - 81 mm

D_{a min} - 71 mm

D_{b min} - 86 mm

d₁ - 68,2 mm

d_{a max} - 51 mm

d_{b min} - 49 mm

r_{1, 2 min} - 2 mm

r_{3, 4 min} - 1,5 mm

r_{a max} - 2 mm

r_{b max} - 1,5 mm

m - 0,727 kg / Weight

C_r - 76000 N

C_0r - 83000 N / Static load rating (radial)

e - 0,83

Y - 0,73

Y₀ - 0,4

C_ur - 9500 N / Fatigue limit load, radial

n_G - 8000 1/min / Limiting speed

n_B - 5200 1/min / Reference speed

Main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs

• Model Number: 31308-A
• Inner Diameter：40mm Outer Diameter：90mm Width：25,25mm
• Type：Tapered Roller Bearings
• Update date：2025-12-17
• Application:Wire grinder,plastic molding,axle lathe,other accessories,Special Equipment,Equipment,Security Equipment,medical treatment,stacker lift platform,teaching equipment,machine tool spindle
• Similar models:SKF 31308J2/QCL7CDF ISO 31308 FAG 31308-XL-DF-A50-90 ISB 31308 SNR 31308A NSK HR31308J FAG 31308-XL-DF-A115-155 FAG 31308-A-N11CA-A50-90 CYSD 31308 ISB 31308J/DF
• BEARING POWER International Trading Co.,Ltd. specialize in 31308-A products，there is large inventory of FAG 31308-A . We has been built up long-term cooperation with FAG company, could make a bulk order of the 31308-A Which FAG 31308-A 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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  6012N	60	95	18	NSK	Deep Groove Ball Bearings
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  WFN688 ZZ	8	16	5	KOYO	Deep Groove Ball Bearings
  NU29/500E	500	670	100	SKF	CYLINDRICAL ROLLER BEARINGS
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  LP240				RIV	THRUST BALL BEARINGS
  RHNA253224-2RS	32		24	SKF (Old No.)	NEEDLE BEARINGS
  120532	.7500	1.3750	2.0000	Rollway	JOURNAL ROLLER ASSEMBLIES
  310	50	110	27	SKF	DEEP GROOVE BALL BEARINGS