400000 Rpm High Speed Sr144tlzwn Si3n4 Ceramic Balls Turbine Handpiece Drill Dental Bearing for W&H and Sirona Handpiece

• Contact Angle: No Angular
• Aligning: Non-Aligning Bearing
• Separated: Unseparated
• Rows Number: Single
• Load Direction: Radial Bearing
• Material: Stainless Steel
• Model NO.: SR144TLZWN
• Stocks: Rich
• Packing: as Customer′s Demand
• Delivery Time: 2-3 Days
• Ball Material: Si3n4 Ceramic
• Ring Material: Stainless Steel
• Height: 2.78 mm
• Size: 3.175*6.35*2.78 mm
• Grade: P4
• Speed: 400000 Rpm
• Quality: Top Quality
• Sample: Available
• Cage Material: Torlon
• Model Number: Sr144tlzwn
• MOQ: 10 PCS
• Shipping Way: by Express
• Transport Package: Carton Box
• Specification: 3.175*6.35*2.78 mm
• Trademark: CSZBTR
• Origin: China
• HS Code: 8482102000
• Production Capacity: 1000000

Product Description

400000 rpm High Speed SR144TLZWN Si3N4 Ceramic Balls Turbine Handpiece Drill Dental Bearing For W&H and Sirona Handpiece

This type bearing special bearings for Dental dentist handpiece, the inner and outer rings is AISI440 stainless steel (9Cr18Mo) material the ball refined stainless steel (AISI440C) or a non-metallic super-hard ceramic material (SI3N4), has good wear resistance cagethe imported the TORLON or high-strength low-friction and self-lubricating properties of polyimide material or 80 to 120 phenolic Textolite material, bearing 200 ~ 250Kpa air pressure, the speed of up to 300 000 to 400 000 rpm. Under normal conditions of use, bearing the working life of more than 6 months. The high-speed dentists dedicated phone bearing manufacturing precision meets the P4 level national standards GB/T307.1-2005 requirements can be applied to different models at home and abroad dentists phone high-speed grinder.

 

more models :SFR144TLZ , SFR144TLZN , SFR144TLZW , SFR144TLZWN , SFR144TLZ1 , SFR144TLZ1N , SFR144TLZ1W , SFR144TLZ1WN ,SFR144K1TLZ , SFR144K1TLWZ , SFR144K1TLWZN , SFR144K1TLWZ1N , SFR144K2TLZ1 , SFR144K2TLZ1N , SFR144K2TLWZ1N , SR144TLZNW ,SR144TLZW , SR144TLWN , SR144TLKZN etc.

 

Product's name	SR144TLZWN Si3N4 Ceramic Balls High Speed Turbine Handpiece Drill Dental Bearing For W&H and Sirona Handpiece
Model	SR144TLZWN
Size	3.175x6.35x2.78mm
Cage material	TorLon(black)
Ball material	Si3N4 ceramic
Rotating speed	350000rpm-400000rpm
Stock	Large
SR144TLZWN for W&H (W&H handpiece TE-98 PB use) ,BIEN AIR PRESTIGE PB

1Material                                 (Balls and Rings)

Flanged outer ring features

Basic Bearing code

Angular contact bearing Type

Material(Cage)

Appearance feature

Material (Closure)

Width

Material (balls)

Balls Number

Bearings of Dental Speed Handpiece Nnmbering System

1

2

3

4

5

6

7

8

9

10

S

F

R144

K1

K2

TL

Ti

TL

K

G

Z

Z1

W

W02

N

(8)

No:10

(8)-8 balls are taken;                      Absence of symbol -7 balls are taken.

No:9

N-Ball material is Si4N3;                       Absence of symbol - Ball material is 9Cr18Mo(AISI440C).

No:8

W-Width of both inner and outer ring are 2.78mm;                               W02-Width of outer ring is 2.38mm and width of inner ring is 2.78mm(see figure 16);                                  Absence of symbol - Both inner and outer ring are 2.38mm.

No:7

Absence of symbol -Open Bearing.                           Z-Bearing is with single shield(see figure 2);                 Z1-Bearing outer and shield are integral (see figure 3).

No:6

K-Outer rings with stage(see figure 11);                           G-Outer rings with recess(see figure 21).

No:5

TL-Polyimide(Black);                                                               Ti-Textolite.                                                                             TA-Textolite.Polyimide (yellow);

No:4

Absence of a symbol - Deep groove bearing.                                                   K1-Angular contact bearing with  stepped inner ring (see figure 4);                    K2-Angular contact bearing with counterbored outer ring (see figure 5).

No:3

Basic bearing code(inch).

No:2

1)When width of outer ring is 2.38mm ,the width of capped edge is 0.6mm(see figure 6);            2) When width of outer ring is 2.78mm, the width of capped edge 0.8mm(see figure 6);              3)When outer ring is with recess ,the width of capped edge is 0.45mm(see figure21).

No:1

S -Rings and balls are made in 9Cr18Mo Stainless Stell (AISI440C).

NO	PART NUMBER	DIMENSION	SPECIFICATION
			OUT RING	COVER	STEEL BALL	CERAMIC BALL
1	SR144TL	¢6.35×¢3.175×2.38			√
2	SR144TLN	¢6.35×¢3.175×2.38				√
3	SR144TLZ	¢6.35×¢3.175×2.38		√	√
4	SR144TLZN	¢6.35×¢3.175×2.38		√		√
5	SR144TLK	¢6.35×¢5.98×¢3.175×2.38	SIDE STEP		√
6	SR144TLKN	¢6.35×¢5.98×¢3.175×2.38	SIDE STEP			√
7	SR144TLKZ	¢6.35×¢5.98×¢3.175×2.38	SIDE STEP	√	√
8	SR144TLKZN	¢6.35×¢5.98×¢3.175×2.38	SIDE STEP	√		√
9	SR144TLW	¢6.35×¢3.175×2.78			√
10	SR144TLWN	¢6.35×¢3.175×2.78				√
11	SR144TLZW	¢6.35×¢3.175×2.78		√	√
12	SR144TLZNW	¢6.35×¢3.175×2.78		√		√
13	SR144TLKW	¢6.35×¢5.98×¢3.175×2.78	SIDE STEP		√
14	SR144TLKNW	¢6.35×¢5.98×¢3.175×2.78	SIDE STEP			√
15	SR144TLKZW	¢6.35×¢5.98×¢3.175×2.78	SIDE STEP	√	√
16	SR144TLKZNW	¢6.35×¢5.98×¢3.175×2.78	SIDE STEP	√		√
17	SFR144TLZN	¢6.35×¢7.518×¢3.175×2.38	FLANGE	√		√
18	SFR144TLZ	¢6.35×¢7.518×¢3.175×2.38	FLANGE	√	√
19	SFR144TLZW	¢6.35×¢7.518×¢3.175×2.78	FLANGE	√	√
20	SFR144TLZWN	¢6.35×¢7.518×¢3.175×2.78	FLANGE	√		√
21	R2-5ZZ	¢7.938×¢3.175×3.571		√		√
Remark		S-STEEL RING   TL-CAGE MATERIAL   Z--SIGE COVER   N-CERAMIC BALL
		SR144-STANDARD         K-SIDE STEP     F-FLANGE

 

Company information:

Changsha Terry Machinery Co.Ltd is a professional supplier of bearings and transmission products.We are BV verified supplier and 10 year golden supplier on alibaba.
We are engaged in bearing and transmission products exceeds 14 years now, our major products are kinds of Bearings , bore size from 1mm to 1000mm , both inch size and metric are available . U- Joint Cross, Chains, Sprocket, Coupling and linear products are our hit products also . Supplying industry transmission solutions is our responsibility. 

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