C&H No.	Dimensions (mm)						Load Ratings(N)		Mass
	d	D	B	A1	A2	rs	Radial	Axial	≈(g)
SW0 2RS	4	14.84	6.35	5.94	9.12	0.3	1480	660	5
SW1 2RS	4.763	19.56	7.87	7.93	11.86	0.3	1260	297	11
SW2 2RS	9.525	30.73	11.1	12.7	18.24	0.3	2730	632	38
SW3 2RS	12	45.72	15.88	19.05	26.98	0.6	6160	1448	130
SW4 2RS	15	59.94	19.05	25.4	34.93	1	9990	2310	280

Questions 

Are Stainless steel V groove guide wheels available with FDA approved grease? 
Yes.we can fill the wheels with customer-specified lubricants. 
( If no special requirement, we fill the wheels with Shell Alvania S2. ) 

What is the temperature range of the standard carbon wheels?
The temperature range of standard carbon steel wheels is limited by the service temperature range of the elastomeric seal and grease. For standard grease, the service temperature range would be from -35℃ to +100℃.

What's the material of cage?
The cage is made from nylon ( glass fibre reinforced PA66)  

What's tolerence of the V guide wheels? 
Bore diameter +0/-0.008mm, outer diameter ±0.013mm, width +0/-0.008mm.

Are stainless steel V-rails and stainless steel wheel bushing is avaiable?
The concentric or eccentric bushing  and V-rails is not available now.