d - 380 mm

D - 520 mm

B - 106 mm

d₂ - - 428 mm

D₁ - - 489 mm

s₁ - 21 mm

r_1,2 - min. - 4 mm

d_a - min. - 395 mm

d_a - max. - 450 mm

D_a - min. - 475 mm

D_a - max. - 505 mm

C_a - min. - 1.8 mm

r_a - max. - 3 mm

Basic dynamic load rating - C - 2120 kN

Basic static load rating - C₀ - 4000 kN

Fatigue load limit - P_u - 300 kN

Reference speed - 950 r/min

Limiting speed - 1300 r/min

Factor - k₁ - 0.129

Factor - k₂ - 0.098

Mass bearing - 66 kg

• Model Number:C 3976 M
• Inner Diameter：520mm Outer Diameter：380mm Width：106mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-16
• Application:other lathe,industry test,generator,Dental Drill etc,Laser Cutting,natural instruments,Traffic Fire Protection Equipment Security equipment,marine test,Pneumatic Control Elements,Pneumatic Actuator,plastic molding
• Similar models:NACHI 23976EK NTN NN3976KC1NAP4 NTN NN3976KC9NAP4 SKF C3976M SKF C3976KM NACHI 23976E
• BEARING POWER International Trading Co.,Ltd. specialize in C3976M products，there is large inventory of SKF C 3976 M . We has been built up long-term cooperation with SKF company, could make a bulk order of the C 3976 M Which SKF C3976M 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
  31312VB22	60	130	33,5	SNR	Tapered Roller Bearings
  4213 ATN9	120	65	31	SKF	Deep Groove Ball Bearings
  6203ZZ	17	40	12	KBC	Deep Groove Ball Bearings
  6217	85	150	28	SIGMA	Deep Groove Ball Bearings
  7009 CE/P4A	75	45	16	SKF	Angular Contact Ball Bearings
  7021 A-UX	105	160	52	CX	Angular Contact Ball Bearings
  7313-BECB-TVP	65	140	33	NKE	Angular Contact Ball Bearings
  KAC065	165,1	177,8	6,35	KOYO	Deep Groove Ball Bearings
  NU 1022 M	170	110	28	SKF	Thrust Ball Bearings
  NU338	190	400	78	KOYO	Cylindrical Roller Bearings
  NUP208	40	80	18	NTN	Cylindrical Roller Bearings
  R38-9/R41Z-20	38	62	19	NSK	Tapered Roller Bearings
  SL01-4914	70	100	30	NTN	Cylindrical Roller Bearings
  UCFL311	55			SNR	Bearing Units
  7202-B-2RS-TVP	15	35	11	FAG	ANGULAR CONTACT BALL BEARINGS
  94648	1.1250	1.6250	3.0000	Hyatt	JOURNAL ROLLER ASSEMBLIES
  1915-RDU#7BKE	75	105	16	MRC	ANGULAR CONTACT BALL BEARINGS
  7052MG	260	400	65	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS
  NAO-15x28x13	15	28	13	CONSOLIDATED	NEEDLE BEARINGS
  45x72x8mm	45	72	8	CONSOLIDATED	OIL SEALS