Product Details

Description & Applicaitons

1) Machine tools and other precision applications require superior bearing performance. Extended speed capability, a high degree of running accuracy, high system rigidity, low heat generation, as well as low noise and vibration levels are just some of the challenges.

2) Rolling bearings for general industrial applications can only partly fulfill these requirements. Therefore, We manufacture a comprehensive assortment of super-precision bearings. Theses super-precision bearings help original equipment manufacturers and end users to further optimize performance parameters of their equipment and applications.

3) The benefits differ depending on the bearing series and applications but include high speed and load carrying ability, long bearing service life, long maintenance intervals and low energy consumption.

Typical applications for super-precision bearings are:

metal cutting and woodworking machinery spindles
other machine spindles (e.g. balancing machines)
high speed rolling mills
printing machinery
precision ball screws
live centres
high speed turbochargers
vacuum pumps
racing cars
boat gyrostabilizers
machine components for the semiconductor industry

Features:

superior bearing performance
extended speed capability
high degree of running accuracy
high system rigidity
low heat generation
low noise and vibration levels

Specifications:

high precision contact ball bearing B71821
Model Number	B71821
Structure	Angular Contact
Type	Ball
Brand Name	MOnton
Bore Size	105mm
Outside Diameter	130mm
Thickness	13mm
Net weight	0.4kg
Seals Type	Z, ZZ, RS, 2RZ, 2RS
Number of Row	Single Row
Place of Origin	Janpan
Material	Chrome steel, Stainless steel
Cage	Brass, Steel, Nylon
Vibration Level	V1, V2, V3
Clearance	C0, C1, C2, C3, C4, C5 etc.
Precision Rating	P0, P6, P5, P4, P2
Hardness	59-63HRC
Service	OEM or original brand
Sample available	Yes
Manufacturer	Yes
Quality guaranteed	Yes
Certificate	ISO9001:2008, ISO/TS16949
Application/Function	Automotive, truck, tractors, construction machinery
Other Service	Design service, Buyer label service
Packaging Details	Industrial Packing, Individual Boxed Packing, or OEM
Delivery Detail	2-7 days after receiving the payments or deposit

Competitive Advantage:

1. Quality level: reach the same level as the Japanese and European bearings

2. Tolerance level: ABEC-1 (P0), ABEC-3 (P6)

3. Less coefficient of friction

4. High limiting speed

5. Large size range

6. variations of structure

Related Model:

Model #	d	D	w	Cr	Cor
	(mm)	(mm)	(mm)	(kN)	(kN)	(r/min)	(r/min)	(kg)
S7195J	5	13	4	0.45	0.42	32000	43000	0.0023
S7196J	6	15	5	1.1	0.92	30000	40000	0.0039
71952Q4/YA	260	360	46	—	—	—	—	12.9
71900CTA	10	22	6	—	—	—	—	14.7
71901CTA	12	24	6	—	—	—	—	14.7
71902CTA	15	28	7	—	—	—	—	0.016
71903CTA	17	30	7	—	—	—	—	0.017
71904CTA	20	37	9	—	—	—	—	0.035
71905CTA	25	42	9	—	—	—	—	0.035
71906CTA	30	47	9	—	—	—	—	0.047
71907CTA	35	55	10	—	—	—	—	0.075
71908CTA	40	62	12	—	—	—	—	0.111
71909CTA	45	68	12	—	—	—	—	0.126
71910CTA	50	72	12	—	—	—	—	0.129
71911CTA	55	80	13	—	—	—	—	0.174
71912CTA	60	85	13	—	—	—	—	0.187
71913CTA	65	90	13	—	—	—	—	0.2
71914CTA	70	100	16	—	—	—	—	0.34
71915CTA	75	105	16	—	—	—	—	0.36
71916CTA	80	110	16	—	—	—	—	0.38
71917CTA	85	120	16	—	—	—	—	0.53
71918CTA	90	125	18	—	—	—	—	0.56
71919CTA	95	130	18	—	—	—	—	0.582
71920CTA	100	140	20	—	—	—	—	0.79
71922CTA	110	150	20	—	—	—	—	0.821
71924CTA	120	165	22	—	—	—	—	0.821
71926CTA	130	180	24	—	—	—	—	1.52
71928CTA	140	190	24	—	—	—	—	1.61
71930CTA	150	210	28	—	—	—	—	1.61
71932CTA	160	220	28	—	—	—	—	2.59
71934CTA	170	230	28	—	—	—	—	2.77
71936CTA	180	250	33	—	—	—	—	4.2
71938CTA	190	260	33	—	—	—	—	6.02
71940CTA	200	280	38	—	—	—	—	6.02
71900AC	10	22	6	-	-	-	-	-
71900C	10	22	6	3	1.5	52000	69000	0.008
71900C/DB	10	22	12	-	-	-	-	-
71900C/DF	10	22	12	4.9	3.05	42000	55000	0.016
71900C/DT	10	22	12	4.9	3.05	42000	55000	0.016
71901AC	12	24	6	-	-	-	-	-
71901C	12	24	6	-	-	-	-	-
71901C/DB	12	24	12	5.15	3.45	37000	49000	0.02
71901C/DF	12	24	12	5.15	3.45	37000	49000	0.02
71901C/DT	12	24	12	5.15	3.45	37000	49000	0.02
71902AC	15	28	7	-	-	-	-	-
71902C	15	28	7	4.75	2.65	39000	52000	0.015