R144 SR144 SR144Z SFR144 SFR144Z
0
Non-Aligning Bearing
Unseparated
Single
Radial Bearing
Bearing Steel
P0, P6, P5, P4, P2
ABEC-1, ABEC-3, ABEC-5, ABEC-7, ABEC-9
Long Life Super High Speed
ISO9001
OEM or Neutral
Carton, Pallet
R144 SR144 SR144Z SFR144 SFR144Z
Ningbo
8482102000
Product Description
| Dental Bearings | |||||||||||
| Reference No. | Types | d | D | B | D1 | C1 | Shield | Application | |||
| I.D. | O.D. | Width | |||||||||
| #01 | Smooth | 3.175 | 6.35 | 2.38 | 0 | same as #02 | |||||
| (1/8") | (1/4") | (3/32") | |||||||||
| .125" | .250" | .0937" | |||||||||
| #02 | Smooth | 3.175 | 6.35 | 2.38 | 1 | NSK, Midwest, W&H, Lares(front) | |||||
| #03 | Grooved | 3.175 | 5.97 | 2.38 | 6.35 | 1.34 | 0 | same as #04 | |||
| #04 | Grooved | 3.175 | 5.97 | 2.38 | 6.35 | 1.34 | 1 | Siemens 4000,TM1,TS1 & Dabi-Atlante MS 350,RS 350 | |||
| #05 | Smooth | 3.175 | 6.35 | 2.38(outer) | Integral | KaVo 6000M/7000M(Front) | |||||
| 2.78(inner) | Dabi Alante | ||||||||||
| #06 | Grooved | 3.175 | 5.97 | 2.38(outer) | 6.35 | 1.34 | Integral | KaVo 6000M/7000M(Rear) | |||
| 2.78(inner) | KaVo635B(Rear) | ||||||||||
| Dabi Alante | |||||||||||
| #07 | Smooth | 3.175 | 6.35 | 2.78 | Integral | same as #08 | |||||
| (1/8") | (1/4") | (7/64") | |||||||||
| .125" | .250" | .1094" | |||||||||
| #08 | Smooth | 3.175 | 6.35 | 2.78 | 1 | Bien Air Ondine,Prestige, NSK, W&H, Canisters | |||||
| #09 | Grooved | 3.175 | 5.97 | 2.78 | 6.35 | 1.78 | Integral | same as #10 | |||
| #10 | Grooved | 3.175 | 5.97 | 2.78 | 6.35 | 1.78 | 1 | W&H | |||
| KaVo 624/625/630/640 - 647/649/650 | |||||||||||
| #11 | Flanged | 3.175 | 6.35 | 2.78 | 7.5 | 0.4 | 1 | Star 430 | |||
| /ADVANTAGE/ | |||||||||||
| VISTA | |||||||||||
| #12 | Flanged | 3.175 | 6.35 | 2.78 | 7.5 | 0.8 | 1 | Midwest, NSK, Castellini | |||
| #13 | Flanged | 3.175 | 6.35 | 2.78 | 7.5 | 0.4 | Integral | same as #11 | |||
| Unique | |||||||||||
| #14 | Smooth | 3.175 | 7.938 | 3.571 | 1 | Bien Air | |||||
| (1/8") | (5/16") | (9/64") | |||||||||
| .125" | .3125" | .1406" | |||||||||
| #15 | Smooth | 3.175 | 6.35 | 1.91(outer) | 0 | Lares (rear) | |||||
| (1/8") | (1/4") | 1.60(Inner) | |||||||||
| .125" | .250" | ||||||||||
| #16 | Flanged | 3.175 | 6.35 | 2.38 | 7.5 | 0.6 | 1 | NSK Mach-QD (Mini) & Pana Air (Mini) | |||
| (1/8") | (1/4") | (3/32") | |||||||||
| .125" | .250" | .0937" | |||||||||
| #17 | Smooth | 3.175 | 7.938 | 2.78 | 1 | ||||||
| (1/8") | (5/16") | (7/64") | |||||||||
| .125" | .3125" | .1094" | |||||||||
| #18 | Smooth | 3.175 | 7.938 | 3.571 | 2 | same as #14 | |||||
| (1/8") | (5/16") | (9/64") | |||||||||
| .125" | .3125" | .1406" | |||||||||
| #19 | Smooth | 3.175 | 6.35 | 2.38 | Integral | same as #02 | |||||
| #20 | Flanged | 3.175 | 6.35 | 2.78 | 7.5 | 0.8 | Integral | same as #12 | |||
| #21 | Smooth | 3.175 | 6.35 | 2.78 | 0 | same as #08 | |||||
| #22 | Grooved | 3.175 | 5.97 | 2.38 | 6.35 | 1.34 | Integral | same as #04 | |||
| Note: | |||||||||||
| #02, #19 are same size, but #19 with integral shield. | |||||||||||
| #04, #22 are same size, but #22 with integral shield. | |||||||||||
| #07, #08 are same size, but #07 with integral shield. | |||||||||||
| #09, #10 are same size, but #09 with integral shield. | |||||||||||
| #11, #13 are same size, but #13 with integral shield. | |||||||||||
| #12, #20 are same size, but #20 with integral shield. | |||||||||||
| #14, #18 are same size, but #18 with double shields. Hole in shield is available! | |||||||||||
| mm | inch | 0.25 | |||||||||
| 3.175 | 1/8" | 0.25 | |||||||||
| 6.35 | 1/4" | 0.25 | |||||||||
| 3.571 | 9/64" | 0.25 | |||||||||
| 2.779 | 7/64" | 0.25 | |||||||||
| 2.38 | 6/64" | 0.25 | |||||||||
| 1.91 | 0.25 | ||||||||||
| mm/inch=25.4 | 0.25 | ||||||||||
| #1, 2, 3, 4, 8, 10, 12, 14 are most popular in the dental handpiece, KAVO, NSK, W& H, Midwest... | |||||||||||
| 618/2.35X3/P5 | Smooth | 2.35 | 5.5 | 2 | 0 | ||||||
| 618/3/P5 | Smooth | 3 | 6 | 2 | 0 | ||||||
| INTRA | Smooth | 3 | 6 | 2 | 0 | ||||||
| 618/3X3/TN1P4 | Smooth | 3 | 6.35 | 2.38 | 0 | ||||||
| 618/4/P5 | Smooth | 4 | 7 | 2.5 | 0 | ||||||
| 618/4X1/HVP4 | Smooth | 4 | 7 | 2.5 | |||||||
| 618/3X2-Z/P5 | Smooth | 3 | 7 | 3 | 1 | ||||||
| 693ZZ | Smooth | 3 | 7 | 4 | 2 | ||||||
| 4 | 7 | 2.5 | 2 | ||||||||
| 4 | 7 | 2 | 0 | ||||||||
| 683ZZ | 3 | 7 | 3 | 2 | |||||||
| 3 | 7 | 2 | 0 | ||||||||
| 688ZZW6 | 8 | 16 | 6 | 2 | |||||||
| 2 | 6 | 2.3 | 0 | ||||||||
| 2 | 6 | 3 | 2 | ||||||||
| 694ZZ | 4 | 11 | 4 | 2 | |||||||
| 8 | 14 | 3.5 | 0 | ||||||||
| 8 | 14 | 4 | 2 | ||||||||






Ningbo Mashi Industries Co., Ltd. is a professional Bearing & Precision Machined Parts manufacturing company in China. Customized designs and ODM/OEM are offered to meet the customer's needs.
We are a reliable bearing supplier to the industries of Home appliances, Electric motors, Automobile, Motorcycles, Bike, OA devices, Power tools, Hardware, Sliding Screen Door Rollers, Toys, Furniture, Medical / Dental, Fishing Reel, Mold and Transmission industry etc.
Guaranteed quality and competitive price. Contact us now for quote and samples.



















